METHOD AND SYSTEM FOR MONITORING GRAVID TOXEMIC

专利摘要:
A system for automatically determining a toxemia of pregnancy in at least one animal (10) in a group of animals, comprising a sensor (50) for obtaining at least one value representative of the absorption of a liquid or water of the at least one animal (10), said sensor (50) being adapted to be placed near a liquid or water supply station (20) or on the at least one animal; and a processing unit (70) configured to compare the at least one obtained value representative of the absorption of a liquid or water of the at least one animal (10) to an average value representative of an average the at least one value for the group of animals or a value derived therefrom; and for generating a signal and / or an alarm when the at least one value obtained representative of the absorption of a liquid or water exceeds the average value or the value deduced by a predetermined threshold value.
公开号:FR3040121A1
申请号:FR1657845
申请日:2016-08-22
公开日:2017-02-24
发明作者:Bernard Carton
申请人:Bernard Carton；
IPC主号:

专利说明:

Process and system for monitoring toxemia of pregnancy Field of the invention
The present invention relates to a method and system for monitoring toxemia of pregnancy, preferably in ewes and / or goats. More specifically, it relates to a method and system for automatic monitoring of toxemia of pregnancy (ketosis).
Background of the invention
The toxemia of pregnancy in sheep and goats has also been called ketosis, lambing / ragging disease, pregnancy sickness, and twin / small lamb disease. It is present in all parts of the world and is often a fatal disease occurring during the last months of pregnancy. Death occurs in two to 10 days in about 80 percent of cases. Toxemia of pregnancy is characterized as a metabolic disorder caused by low levels of glucose in the blood and excessive degradation of body fat to compensate, with "ketones" being the toxic byproduct produced during this rapid breakdown of fat. The economic losses due to the disease are considerable and this metabolic disease is most common in sheep and goats.
Inappropriate feeding during the last third of gestation is the primary cause of hypoglycemia / toxemia of pregnancy, as ewes and goats can not consume sufficient energy foods to meet the demand of their developing fetus. That's why about 70 percent of fetal growth occurs during the last 4 to 6 weeks of pregnancy. Ewe and goats that are overfed may have toxemia of pregnancy due to liver dysfunction. Undernourished ewes are also sensitive because they can not eat enough to meet their own food needs, let alone the added burden of developing fetuses. Ewes and goats with multiple litters also have a high risk of toxemia of pregnancy. Ewes carrying three fetuses require 230% more energy than ewes with only one. In fact, anything that affects the ability of ewes or goats to eat enough during the end of gestation can result in toxemia of pregnancy: multiple fetuses, obese ewes / goats, lean ewes / goats, small ewes / goats pruning sheep / goats, old sheep / goats, dental diseases, parasites and / or lack of exercise as described by Susan Schoenian in "Pregnancy toxaemia in ewes and does" (2009 article online).
To prevent pregnancy toxemia, animal feed management is beneficial, ensuring ewes / goats have adequate energy in their food intake over the last 4 to 6 weeks of gestation. This is achieved, for example, by grouping ewes / goats according to the number of fetuses and providing them with a suitable diet by adding concentrates if necessary. In order to group the ewes / goats in a suitable feeding group, an ultrasound can be performed between 35 and 55 days of gestation. However, after bundling, miscarriage may occur (possibly as a result of ultrasound) or ultrasound may have provided erroneous information (ie, double counting the same fetus or counting two different fetuses as one) , always leading to malnutrition of ewes / goats and the presence of toxemia of pregnancy.
Treatment of toxemia of pregnancy may include caesarean section or the use of induced abortion to eliminate maternal dietary stress or energy intake in the form of glucose or glucose precursors until delivery is complete. ewes or goats, for example, by intravenous injections of glucose or dextrose, oral administration of propionate, glycerol, propylene glycol, molasses, etc.
Therefore, there is a need for new methods and systems for monitoring and / or preventing toxemia of pregnancy. Summary of the invention
It is an object of the embodiments of the present invention to provide methods and systems for monitoring ewes and / or goats to determine toxemia of pregnancy. The above object is achieved by a method and a device according to embodiments of the present invention.
Embodiments of the present invention provide systems and methods for monitoring toxemia of pregnancy, using at least one value representative of the fluid or water absorption of at least one animal. In preferred embodiments, the at least one value is a drinking frequency of the animal, for example the time during which the animal consumes or drinks a liquid or water. This drinking frequency can be monitored daily or in another appropriate time frame. In other particular embodiments, the at least one value is a quantity of beverage, for example, the amount of water that an animal has consumed in a time frame or period, for example, the amount of water consumed daily. In other embodiments, the at least one value representative of the absorption of a liquid or water may be a combination of the drinking frequency and the amount of beverage.
In a first aspect, the present invention proposes a system for automatically determining a toxemia of pregnancy in at least one animal in a group of animals, the system comprising: a sensor for obtaining at least one value representative of the absorption of a liquid or water of the at least one animal, said sensor being adapted to be placed near a liquid or water supply station or on the at least one animal; and a processing unit configured to compare the at least one value obtained representative of the absorption of a liquid or water of at least one animal with an average value representative of an average of the at least one value for the group of animals or a value deducted from it; and generating a signal and / or an alarm when the at least one value obtained representative of the absorption of a liquid or water exceeds the average value or the value deduced by a predetermined threshold value.
The scientific literature teaches that, for example, sheep or goats have a daily water intake of about 0.5 to 1.5 liters, depending on the type of staple diet and the environment. This water absorption may take place once a day, or may be spread over a plurality of times. Therefore, in the context of the present invention, the at least one representative value of a liquid or water absorption could be either the frequency of consumption, for example, once a day, or a quantity of drink. for example between 0.5 and 1.5 liters per day. At the end of the pregnancy, the need for water increases depending on the number of lambs being carried, up to 1 or 2 liters per day, according to the literature. In the context of the present invention, the at least one representative value of a liquid or water absorption could be either the frequency of consumption, for example, once a day, or a quantity of drink, for example between 1 and 2 liters per day.
Embodiments of the present invention are based on the idea that animals, such as sheep and / or goats, having a toxemia of pregnancy exhibit a change in fluid or water absorption, more specifically, for example, a change in the frequency of consumption. Depending on the staple diet, a change in the frequency of consumption of at least 20%, for example more than 30%, for example between 30% and 75%, or between 30% and 50%, can be observed in animals suffering from toxemia of pregnancy. This symptom has not been identified in any document of the prior art.
In accordance with the embodiments of the present invention, the at least one representative value of a liquid or water absorption of a particular animal is compared to an average value representative of the average of the representative values of an absorption. of liquid or water of the animals in the group of animals, or to a value deduced therefrom, for example a value equal to the average value increased by a threshold value, for example an increase in the average value of 30% . In the first case, ie when the representative value of the liquid or water absorption of a particular animal in the group is compared to an average value for this liquid or water absorption for the group of animals a signal and / or an alarm can be generated if this average value is exceeded by a predetermined threshold value, for example by at least 20%, at least 25%, at least 30%. In the second case, ie when the representative value of the liquid or water absorption of a particular animal in the group is compared with a value deduced from the average value for that liquid or water absorption for the group of animals, for example, it is compared with the average value increased by a threshold value of at least 20%, a signal and / or an alarm can be generated if this value deduced from the average value has reached or is exceeded by any value.
In embodiments of the present invention, the threshold value will have to be chosen according to the animal population, their location and their basic diet, but it may for example be at least an increase of 20%, for example at least one increase of 25%, or at least one increase of 30%, for example an increase of between 30% and 50% relative to the average value representative of an average for the group of animals, of at least one value representative for water absorption.
An advantage of a system according to embodiments of the present invention is related to the fact that preclinical toxemia of an animal, such as a sheep or a goat, can be detected non-invasively without contact (no need take a blood test or collect urine samples), simply by monitoring the drinking pattern or behavior of a goat or ewe.
An advantage of a system according to embodiments of the present invention is that the presence of a toxemia of pregnancy, and more specifically, a keto-acidosis, can be identified in real time and that it can provide proactively information about the health of an animal or group of animals, even if one is not present or remotely.
One advantage of the system is that large flocks of sheep / goats (ie, tens, hundreds, or even thousands) can be automatically monitored for toxemia of pregnancy, and this can proactively prevent toxemia of pregnancy. Embodiments of the present invention advantageously provide additional inspection means for the shepherd and provide him with additional peace of mind. During lambing, a shepherd is responsible for 250 to 300 ewes. The control and surveillance of these ewes day and night is very stressful, especially if we take into account the lambing period that can last between 4 to 6 weeks. A watchful shepherd can recognize ewes with symptoms of toxemia of pregnancy; however, the presence of recognizable symptoms is an indication of an advanced stage of toxemia. The present invention provides methods and devices for preclinical determination of toxemia of pregnancy.
A system according to embodiments of the present invention may further comprise an identification unit for identifying the at least one animal, the identification unit being adapted to be placed near a feeding station. liquid or in water or on at least one animal. The processing unit may be configured to determine the at least one animal for which the signal and / or alarm is generated.
A system according to embodiments of the present invention may further comprise a breath analysis device for analyzing the breath of the at least one animal.
In a system according to embodiments of the present invention, the sensor may be a compact cylindrical valve device which is adapted to be releasably attached to a water supply line and delivers water on demand in the mouth of the animal by a hollow control device and is adapted to obtain the at least one value representative of the absorption of a liquid or water.
In a system according to embodiments of the present invention, the sensor may be detachably coupled or connected between a compact cylindrical valve device and a water supply line.
In a system according to embodiments of the present invention, the sensor may be placed at a water supply site, for example a water supply line or a water supply pipe, which is connected by example through the sensor, with a water supply station. In preferred embodiments, the sensor is adapted to couple, preferably removably, a water supply line, for example a water pipe, and a water supply station.
In a second aspect, the present invention provides a water supply station for at least one animal, said water supply station comprising: - an identification unit for identifying the at least one animal approaching the station water supply or standing near it; a sensor for obtaining at least one value representative of the absorption of a liquid or water of the at least one animal; and a processing unit configured to compare the at least one value obtained representative of the liquid or water absorption of the at least one animal with an average value representative of an average of the at least one value for the group of animals or a value deducted from it; and generating a signal and / or an alarm when the at least one value obtained representative of an absorption of a liquid or of water exceeds the average value or the value deduced therefrom by a predetermined threshold value, and consequently determine that a problem occurs with the at least one animal, and more particularly that the at least one animal suffers from toxemia of pregnancy.
In this aspect, the meaning of "a representative value of a liquid or water absorption", "an average value representative of a liquid or water absorption", "a value deduced from this average value And the "threshold value" is explained with reference to the first aspect, and is not repeated here for the sake of brevity.
A water supply station according to embodiments of the present invention may further comprise a breath analysis device for analyzing a breath sample of the at least one animal.
In a water supply station according to embodiments of the present invention, the sensor may be placed in a compact cylindrical valve device which is adapted to be removably attached to a water supply line and dispenses with the water, on demand, in the mouth of the animal by a hollow control device and is adapted to obtain at least a value representative of the absorption of a liquid or water.
In a water supply station according to embodiments of the present invention, the sensor may be removably coupled or connected between a compact cylindrical valve device and a water supply line of the water supply station. .
In a water supply station according to embodiments of the present invention, the sensor may be placed at a water supply site, such as, for example, a water supply line, the water supply station. water.
In a third aspect, the present invention provides a water dispenser, also known as a pacifier, comprising a sensor. The water dispenser includes a compact cylindrical valve device that is adapted to be releasably attached to a water supply line and delivers water on demand to an animal's mouth through a water dispensing device. hollow control. The sensor can then be provided so as to obtain at least one value representative of the absorption of a liquid or water.
A water dispenser according to embodiments of the present invention may be adapted to communicate with, or may include, a processing unit configured to • compare the at least one obtained value representative of the liquid or water absorption. of the at least one animal at an average value representative of an average of the at least one value for the group of animals or a value derived therefrom; and generating a signal and / or an alarm when the at least one value obtained representative of an absorption of a liquid or of water exceeds the average value or the value deduced therefrom by a predetermined threshold value, and consequently determine that a problem occurs with the at least one animal, and more particularly that the at least one animal suffers from toxemia of pregnancy.
In this aspect, the meaning of "a representative value of a liquid or water absorption", "an average value representative of a liquid or water absorption", "a value deduced from this average value And the "threshold value" is explained with reference to the first aspect, and is not repeated here for the sake of brevity.
In a fourth aspect, the present invention provides a water supply line, such as a water pipe, comprising a sensor. The sensor is coupled and / or removably attached to the water supply line and is adapted to obtain at least one value representative of the absorption of a liquid or water. Advantageously, this water supply line comprising a sensor can be fixed or removably coupled to a water supply station known in the art, so that it can obtain at least a representative value of the water. absorption of a liquid or water.
In a fifth aspect, the present invention proposes the use of a value representative of the absorption of a liquid or water of an animal as an indication of the presence of a toxemia of pregnancy in said animal, for example a sheep or pregnant goat. The representative value of the absorption of a liquid or water is the absorption frequency of liquid or water.
In a sixth aspect, the present invention provides a method of automatically monitoring toxemia of pregnancy in at least one animal, for example, a pregnant sheep or goat or in a group of animals. The method comprises: obtaining at least one value representative of the absorption of a liquid or water of the at least one animal; comparing the at least one value obtained with an average value representative of an average of the at least one value of the group of animals or a value deduced therefrom; the generation of a signal and / or an alarm when the at least one value representative of the absorption of a liquid or of water exceeds the average value or the value deduced by a predetermined threshold value.
A method according to embodiments of the present invention may further comprise identifying at least one animal having a toxemia of pregnancy.
An advantage of a method according to embodiments of the present invention is that the presence of keto acidosis can be detected non-invasively by monitoring a drinking pattern or behavior of an animal such as a goat. or a sheep. When preclinical toxemia of pregnancy is detected or determined or, in other words, when the presence of ketoacidosis is confirmed as a consequence of a change in the drinking pattern (eg more frequent water absorption, or a higher volume of water absorption), there is more time to improve the status of the ewe or goat compared to the case where known early clinical symptoms such as grinding of teeth occur. It is advantageous that the toxemia of pregnancy can be determined non-invasively and thus confirm the presence of acidosis with a minimum ketone level. An advantage of the method according to embodiments of the present invention is that any possible errors of interpretation occurring during an ultrasound such as the diagnosis of twin gestation when in fact it is threefold, can be detected .
An advantage of the embodiments of the present invention is that it provides an automated process that is automatic, reducing work hours, stress and costs in animal processing.
In a method of automatic monitoring of toxemia of pregnancy according to embodiments of the present invention, the at least one value is a drinking frequency, a drinking time, a volume of beverage or their combination.
A method of automatically monitoring toxemia of pregnancy according to embodiments of the present invention may further include analyzing a breath sample of the at least one animal and generating a signal and / or a an alarm when acetone particles are found in the breath sample indicating toxemia of pregnancy.
A method of automatically monitoring toxemia of pregnancy according to embodiments of the present invention may further include adapting the feeding of the at least one animal when toxemia of pregnancy is determined. In this way, a precise feed intake per animal can be obtained and modified if necessary, in the most optimal way.
In particular embodiments of the present invention, the average of the at least one value representative of the absorption of a liquid or water for the group of animals can be obtained at least 6 weeks before the setting. bottom of the at least one sheep or goat. This helps provide more reliable results.
In a method of automatic monitoring of toxemia of pregnancy according to embodiments of the present invention, the average of the at least one value representative of the absorption of a liquid or water for the group of animals may also be be obtained using the same system as that used to carry out the method of the embodiments of the present invention, for the group of animals.
In another aspect, the present invention provides a computer program product which, if implemented on a control or processing unit of a system according to embodiments of the first aspect of the present invention, enables performing a method according to embodiments of the fifth aspect of the present invention.
In addition, the present invention provides a data carrier storing a computer program product according to embodiments of the present invention.
The present invention also provides transmission of this program product according to embodiments of the present invention over a network.
An advantage of the embodiments of the present invention is that the toxemia of pregnancy can be detected in the preclinical stage, simply by counting the frequency of absorption of water or liquid of an animal, preferably an ewe or a goat, to calculate a quantity of water absorption, which can be determined easily. It is not necessary to perform any action that could scare the animal.
An advantage of the embodiments of the present invention is that normal birth weights are obtained and that there are fewer complications during parturition.
An advantage of the embodiments of the present invention is that animal feed can be precisely controlled and adjusted. As a result, a tailored dietary scheme can be implemented.
An advantage of the embodiments of the present invention is that very early detection of acidosis is possible, more specifically before tangible symptoms appear (see preclinical state).
An advantage of the embodiments of the present invention is that the presence of toxemia of pregnancy and more specifically of a keto-acidosis can be detected in real time and can proactively provide information on the state of health of the patient. 'animal.
Particular and preferred aspects of the invention are defined in the independent and dependent claims in the appendix. Features of the dependent claims may be combined with features of the independent claims and with features of other dependent claims as appropriate and not simply defined explicitly in the claims.
These and other aspects of the invention will become apparent and will be explained with reference to the embodiment (s) described hereinafter.
Brief description of the drawings
FIG. 1 schematically illustrates a barn comprising a system, more specifically a water or liquid supply station, according to embodiments of the present invention.
FIG. 2 schematically represents an electronic computer system (eg, personal digital assistant, smartphone, laptop, PC, etc.) for use with the present invention.
FIG. 3 illustrates a water or liquid feed station known in the art, which may be used in embodiments of the present invention.
FIG. 4 is a schematic overview of a process flow according to methods of the present invention.
The drawings are only schematic and not restrictive. In the drawings, the size of some elements may be increased and may not be scaled for illustration purposes.
Any reference sign in the claims should not be construed as limiting their scope.
Detailed Description of Illustrative Embodiments
The present invention will be described with respect to particular embodiments and with reference to certain drawings but the invention is not limited thereto and is limited only by the claims. The drawings described are only schematic and not restrictive.
In the drawings, the size of some elements may be increased and may not be scaled for illustration purposes. The dimensions and relative dimensions do not correspond to actual reductions to practice the invention.
The terms first, second and the like in the description and in the claims are used to distinguish between similar elements and not necessarily describing a sequence, whether temporary, spatial, rank or otherwise. . It will be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are operable in other sequences than those described or illustrated herein.
In addition, the terms above, below, and the like in the description and in the claims are used for purposes of description and not necessarily for describing relative positions. It will be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are operable in other orientations than those described or illustrated herein.
Note that the term "comprising" used in the claims, should not be interpreted in a limited manner to the means enumerated later; it does not exclude other elements or steps. It must therefore be interpreted in such a way as to specify the presence of the indicated characteristics, integers, steps or components mentioned, without excluding the presence or addition of one or more other characteristics, integers, steps or components or groups of these. Therefore, the scope of the term "a device comprising means A and B" should not be limited to devices consisting solely of components A and B. This means that with respect to the present invention, the only relevant components of device are A and B.
Throughout the present description, a reference to "an (number) embodiment" or an "indefinite article" embodiment means that a particular feature, structure, or feature described in connection with the embodiment is included in at least one embodiment of the present invention. Therefore, occurrences of the expressions "in one (number) embodiment" or "in one (indefinite article) embodiment" in various places of the present description do not necessarily all refer to the same embodiment, but this is possible. In addition, particular features, structures or features may be combined in any way as will be understood by those skilled in the art from the present description, in one or more embodiments.
Similarly, it will be understood that in the description of the illustrative embodiments of the invention, various features of the invention are sometimes grouped into one embodiment, a single figure or description thereof in order to streamline the disclosure and to help understand one or more diverse aspects of the invention. This disclosure process, however, should not be interpreted as reflecting an intention that the claimed invention requires several features that are specifically enumerated in each claim. On the other hand, as the following claims reflect, aspects of the invention are found in less than all of the features of a single embodiment previously described. Therefore, the claims according to the detailed description are expressly included herewith in the detailed description, each claim being independent as a separate embodiment of the present invention.
Furthermore, while some embodiments described herein include certain features but not others included in other embodiments, combinations of features of different embodiments are intended to be within the scope of the invention, and form different embodiments, as will be understood by those skilled in the art. For example, in the following claims, any of the claimed embodiments may be used in any combination.
In the present description, many specific details are presented. However, it will be understood that embodiments of the invention can be practiced without these specific details. In other cases, well known methods, structures and techniques have not been presented in detail to facilitate understanding of this description.
When, in embodiments of the present invention, reference is made to "toxemia of pregnancy", reference is made to the description provided for example by N. D. Sargison at p. 359 of Diseasesof Sheep (Blackwell Publishing 2007 edited by lan Aitken) which describes a process comprising lipid mobilization and the production of free fatty acids that are captured by the liver and oxidized with the tricarboxylic ring to provide energy. in the form of acetyl-co-enzyme A (acetyl CoA). This biochemical pathway is dependent on a constant intake of oxaloacetate from propionate and the production of acetoacetyl
CoA. Hydrogenation of acetoacetyl CoA results in the formation of BOHB and acetoacetate, as well as acetone formed by decarboxylation. While these ketones can be metabolized, their excessive production, associated with hepatic failure due to the accumulation of triglycerides that accompanies lipolysis, causes their accumulation proportional to the food deficit in glucose. During the last 6 weeks of gestation, the plasma BOHB concentration of less than 0.8, 0.8 to 1.6 and greater than 1.6 mmol / l correspond to adequately fed, moderately malnourished and severely ewes, respectively. malnourished. BOHB and acetoacetate are strong acids. In addition, prolonged urinary excretion of ketone bodies results in the loss of sodium and potassium ions, reducing the plasma alkaline reserve. The resulting ketoacidosis causes dyspnoea and exacerbates hypoglycemic depression of the central nervous system, evolving to an irreversible stage where dehydration and uremia are observed, often aggravated by fetal death and autolysis in utero, toxemia and a metritis. Accordingly, embodiments of the present invention may also be used by those skilled in the art to obtain an indication of the BOHB values or the BOHB values may be used as a reference element when comparing the results obtained with using the systems and methods of the present invention.
When, in embodiments of the present invention, reference is made to an "average", reference is made to a measure of a central tendency. The average term may refer to a median, a mode or another central or typical value. In statistics, the median, mode, and median interval can be used in addition to the mean as estimates of central tendency in descriptive statistics.
Embodiments of the present invention provide methods and systems for preventing and / or monitoring toxemia of pregnancy in the flock, more preferably in flocks of sheep or goats and specifically, pregnant sheep or goats. These can be achieved by monitoring the water or fluid absorption behavior of a sheep or goat gravid and comparing the value to the average water or fluid intake of a group or flock. ewes or pregnant goats, preferably 5 to 6 weeks before farrowing. Embodiments of the present invention are particularly advantageous for sheep or goat breeders, with sheep or goat breeds likely to have multiple birth gestation (i.e., multiple fetuses). Embodiments of the present invention are particularly advantageous for sheep or goat farmers who put their ewes and pregnant goats into the barn at the end of the gestation period (i.e. 5 to 6 weeks). before farrowing), for example from the end of December to the end of March. This tendency to return pregnant ewes and goats to the barn and are increasingly practiced by breeders because it ensures an environment in which the absorption of food by animals is controlled (i.e. depending on the number of fetuses to be born) and as a direct result, this does not interfere with the production of hay of the new season. Obtaining a value representative of the absorption of water or liquid or of a value representative of the drinking behavior of at least one animal or group of animals can be provided for example by setting up a detection sound or vibration and recognition techniques for measuring and identifying water or liquid absorption signals such as sounds or vibrations, preferably resulting from a water or liquid absorption action of at least one animal drinking at a water supply station as described in patent WO 2014/153 626. Optionally, information relating to the presence, position and movements of animals in the vicinity of the water supply station can be associated with the analysis of said sound or vibration data to further improve the estimation of water or liquid absorption by monitoring the number of animals at the feeding station and preferably feeding in water and determine if the animals are on the site and / or the position of the feeder or waterer.
A sound, such as an impact sound or other acoustic signal is emitted as a result of the absorption of water or liquid by the animal at a feeding station, for example when drinking. This sound associated with the absorption of water or liquid can be captured by means of a suitable sensor, for example a microphone, located near the feeding station, preferably integrated or attached to the station. 'food. In other embodiments, the sensor, for example a microphone, may also be placed on the animal whose behavior of beverage is to be studied.
Optionally, the method of the present invention may further provide in other embodiments, the use of a system for detecting the presence and position of an animal at the level of the water supply system or liquid, preferably at the moment when said water or liquid absorption signal is detected. More particularly, the method of the present invention may comprise the use of an automatic image monitoring system comprising at least one camera or a video camera, which allows, associated with a computer means, to detect the presence and the position of an animal at the water or liquid supply system. Preferably, said camera is directed to the feed station, preferably arranged to provide a top view image of the feed system, and more preferably, water supply and the animal or animals in the vicinity. Advantageously, in this way, information is provided on the presence and position of the animals in the vicinity of the feeding station, including, without limitation, the number of animals at the feeding station and the duration and the frequency of water or liquid absorption. Preferably, the presence and position of an animal or group of animals in the water supply system, such as the proximity of the at least one animal to the water supply system or liquid and the direction from which it (s) approach (s) can be monitored by image analysis. The said image analysis usually includes the steps of subtracting the background and determining the exclusion size of the objects to distinguish the animals (so that only the animals are detected). By applying a segmentation algorithm, the animals are separated in the captured image and the residence and drinking time of the animal at the water supply system can be calculated. Preferably, the analysis of the image data is associated with the analysis of said vibration data and / or the impact sound to improve the accuracy of the food absorption estimate and more preferably, of water. For example, it can improve accuracy when a water or liquid absorption signal is ignored if the image data analysis indicates that no animal is present at the substation. feeding and more preferably, water supply. Preferably, the detection and analysis of said water or liquid absorption signal, its association with the image analysis data and the extrapolation of the water absorption are carried out in real time or deferred in which data fragments are recorded and processed into segments.
In yet other embodiments, the water or liquid absorption of at least one animal can be achieved by weighing the water or liquid container before and after a drinking episode and obtaining the volume of water. water consumed and therefore, a value representative of the absorption of a liquid or water. In other embodiments, a platform on which the at least one animal is positioned can be weighed before and after a drinking episode to obtain a water or liquid absorption value. In other embodiments, an electrical measure of the amount of beverage can be used to obtain a representative value of the beverage behavior of the at least one animal. Preferably, this device for measuring the amount of beverage or measurement of oral consumption is provided, allowing the electrical isolation of the animal from the recording system. In preferred embodiments, a livestock fluid delivery system may be provided to provide reliable and accurate measurements of fluid consumption. The fluid can be absorbed by licking or aspirating, the fluid delivery system being attachable to a sensing circuit of a standard device for measuring the amount of beverage. This fluid dispenser advantageously allows an accurate measurement of the total volume of fluid consumed over a specific period. In addition to measuring the total volume of fluid consumed at a specific frequency and duration, a drink pattern may also be provided.
In other embodiments, a detection device for obtaining a value representative of the beverage behavior of the at least one animal, e.g. of the liquid or water absorption, can be provided or placed in a fluid dispenser such as for example, but not limited to, a compact cylindrical valve device which is adapted to removably attach directly to a pipe water supply. The cylindrical valve is preferably adapted to dispense a fluid such as water, for example on demand, directly into the mouth of the animal through a hollow control device. As a result, it is possible to obtain at least one value representative of the absorption of a liquid or water. This compact cylindrical valve can be in the form of a flexible nipple.
A detection device used in such a fluid dispenser may for example be a fluid detector or an oral fluid measuring device. This detection device can operate by means of a pressure sensor, where a change of pressure can represent a drinking activity.
In embodiments of the present invention, whenever an animal drinks water, for example using a water dispenser, the detection device provides a water absorption frequency and / or or a quantity of water absorption, the frequency being obtained by counting the number of times per day the animal drinks water. The identification of an animal may be performed when the animal is drinking or has finished drinking, so that a divergent drinking behavior may be related to an identified animal.
In embodiments of the present invention, the beverage behavior of the at least one animal may be monitored using imaging means and / or sound sensors; however, said imaging means may also be used to identify said animal, for example, by taking an image of a tag including an identification number in the ear or around the neck of the animal that absorbs the animal. water and the processing of said image and obtaining therefrom an identification device, for example, an identification number and comparison of the latter with a database comprising identifiers and the corresponding animals .
In other embodiments, the at least one animal may carry identification means in the form of transponders or radio frequency identification (RFID) tags, in which the system of the present invention provides a RFID reader of way to identify this animal. These transponders or RFID tags help to manage, identify and protect livestock. Preferably, glass RFID tags are used, more specifically low frequency transponders for bolus use as well as high performance tags for subcutaneous placement, or placement of an ear tag of the flock for sheep and goats. Integrated transponders can also be used, which can be housed in ear tags for typical form factors using various materials to create specialized low frequency tags. Glass label units used in embodiments of the present invention can be integrated into biocompatible glass, which renders them harmless to animals. Those skilled in the art can also develop a standard label solution to meet chip, size, programming and material usage requirements.
When the at least one value representing a water or liquid absorption of the at least one animal is obtained, the at least one value is compared with an average value or a deduced value. The average value provides an average of the at least one value obtained, representative of the behavior of the group of animals, for said at least one value, which includes the animal. This average can be measured using the methods and systems of the present invention applied to a group of animals comprising a plurality of members, for example at least 10 members, at least 50 members, at least 100 members; or by using a reference table providing an expected average value for the at least one value representing the absorption of water or liquid. The expected average value can be provided at the time of program design. Large animal breeding sites provide their own average values based on the type of feed given to the animals. This expected average value can therefore be provided experimentally, preferably in real time, or can be a value provided in the literature or a conserved value from other comparable animal groups. Since the drinking behavior of at least one animal is highly dependent on feeding at least one animal, obtaining a representative value of the drinking behavior of the at least one animal or group of animals ( e.g., average) is preferably performed when a feeding plan of said animal or group of animals is changed or fixed for the first time. In embodiments of the present invention, said representative value of the beverage behavior, e.g. of the average value, can be obtained more than once, ensuring the dependence of the drinking behavior of a group of animals in the time of gestation. A value deduced from the average value may be, for example, the average value increased by a predetermined threshold value. In this way, the value deduced from the average value may be a value representative of a threshold of toxemia of pregnancy.
When the at least one value representing an absorption of water or liquid, for example a drinking frequency and a drinking period, is obtained, the values obtained from the at least one animal are also provided as mean value of the two parameters for the group of animals, of which the at least one animal is a part. Therefore, a comparison of the two values, for example, the drinking behavior of the at least one animal with respect to the general or average drinking behavior of the group of animals, or with respect to the values deduced therefrom, is provided. If the measured values of the at least one animal exceed said average by a predetermined threshold value, with acceptable margins of error, the presence of toxemia of pregnancy or ketosis is indicated. Then, in accordance with the embodiments of the present invention, a signal and / or alarm is generated automatically to indicate that a dangerous limit of ketosis has been reached. In particular embodiments, an alarm signal is generated and transmitted to a mobile device, such as for example via an application on the mobile device such as a mobile phone or tablet to provide an indication of the behavior of the mobile device. divergent drink of a particular animal. In other preferred embodiments, an alarm, for example an audible alarm or a visual alarm, for example also via the application, is generated when the presence of acetone is determined.
When the average value or the deduced value is exceeded by a predetermined threshold value in embodiments of the present invention, a visual device such as a lamp may be activated, resulting in the production of a visual alarm signal. or an audio signal such as a buzzer, siren, or buzzer may be actuated, resulting in the production of an audible alarm signal, or both. These two types of devices can be called warning device. Either the audible alarm signal, the visual alarm signal or the combination of the alarm signal and the visual alarm signal can be called the alarm signal. The herd or livestock herder may respond to the audible alarm signal and / or visual alarm signal by supplying glucose to the identified animal that has reached a dangerous limit of ketosis and / or changing its mode of alertness. 'food.
Alternatively, rather than activating visual or audio devices, a device or system according to embodiments of the present invention may be adapted to transmit the results of the comparison, or a warning signal may be triggered from the latter, either by cable or wirelessly, via Bluetooth or any other appropriate means, to an electronic device, for example a portable device such as a smartphone, a tablet, a laptop or other processing device or " cloud in seconds. The portable device can be worn by the herd or livestock herder or he can easily access the transferred information.
In still other embodiments, the present invention may further comprise analyzing a breath sample of the at least one animal to detect the presence of acetone particles indicative of ketosis, as when animal is in ketosis, its breath can smell acetone (acidosis). This is due to the decomposition of acetoacetic acid into acetone and carbon dioxide that is exhaled from the lungs. In embodiments of the invention, it is possible to use a breath analysis sensor such as, for example, a gas sensor, which is adapted for detecting acetone particles.
In referenced embodiments, chemoresistant gas sensors made of nanostructured metal oxide semiconductors can be used. In other embodiments, it is possible to use a device, powered for example by batteries, comprising a pressure sensor for detecting whether an animal is breathing in it and at least one type of gas sensors based on a semiconductor which is capable of detecting acetone concentrations. Depending on the sensors used, a specific minimum concentration of acetone is preferably present to allow measurement. In a specific example of a sensor for detecting acetone, a minimum concentration of 0.2 to 50 parts per million acetone is preferred for detecting the presence of acetone. After the detection of exhaled breath, the device may provide an alarm signal and / or transmit the results when the presence of acetone is detected, by cable or wirelessly via Bluetooth or in any other suitable manner, to a device electronic, for example, a portable device such as a smartphone or other processing device, or the "cloud" in seconds.
FIG. 1 schematically illustrates a system according to embodiments of the invention, used in a barn 1 to monitor at least one pregnant ewe in a flock of ewes, the flock of ewes being a flock of ewes sorted according to the number of fetuses. they wear. The group of animals, as designated in this text, is preferably a group of pregnant ewes or goats, the group of ewes or goats comprising the same amount of fetus, which is determined for example by ultrasound. In a specific embodiment, the drinking behavior of the at least one ewe in the group of ewes is monitored at the water or liquid supply station 20. The water supply station 20 may comprise a sensor 50 for example, a microphone or a liquid sensor or an electronic device for measuring the amount of beverage to monitor the drinking behavior of the at least one pregnant ewe. If particular types of sensors 50, for example, a microphone, are used to measure a value of the absorption of a liquid or water, it can also be placed on the ewe (not shown) instead of be installed near the water supply station. The beverage behavior of the animals may further be monitored using a camera 30, as shown in FIG. Said camera 30 can also be used to identify the ewe absorbing water or liquids. In addition, said camera 30 may also be used to monitor any abnormal behavior of the ewe indicative of toxemia of pregnancy.
In embodiments of the present invention, the system includes an identification unit 41 for identifying an animal approaching or present near the water or liquid supply station 20. In preferred embodiments, the ewe 10 may carry an identification tag 40, e.g. an RFID identification tag, for example at his ear, and the system according to embodiments of the present invention comprises a reader 41 for reading the identification tag 40.
The water supply station 20 may further comprise a gas sensor 60 for measuring traces of acetone in the ewe's breath, indicative of a toxemia of pregnancy or a ketosis. Preferably, all the devices used 30,40-41, 50, 60 are wireless and provide output values that can be saved and sorted in a "cloud" 100, which can be accessed via a computing device 101, for example , a portable device such as a smartphone, via an application. FIG. 3 shows an example of a water supply station 20 known in the art, which uses a pacifier system 300 for dispensing water and which includes a water cup. These systems may optionally include a container under each water dispenser to collect the non-consumed water (not shown). According to some embodiments of the invention, a detection device (not visible in FIG 3) is preferably provided in the teat system 300 so as to allow the determination of a water absorption parameter of the animal, such as, for example, the water absorption time and / or the water absorption frequency and / or the amount of water absorbed. In other embodiments of the invention, a detection device (not visible in FIG 3) is arranged preferably on a water supply site of a water supply station 20.
A general overview of the process flow 400 of the methods according to embodiments of the present invention is presented in FIG. 4. In a first step 401, a water or liquid absorption value is obtained, such as, for example, a water absorption frequency by a particular animal over time. In a second step 402, the representative value of a water absorption is then compared with a reference value that is representative of a group that does not have a toxemia of gravity, for example an average value representative of an average of liquid absorption value for the group of animals, or a value deduced from this average value ,. In a third step 403, a decision is made, determining if the liquid absorption value is larger than the reference value, and exceeds this reference value by a predetermined threshold value. If this is the case, in a fourth step 404, a signal and / or an alarm is generated and in a fifth step 405, the animal that has a water absorption value diverging from the average value or the deduced value is identified. It should be noted that the different steps of the method illustrated in FIG. 4 need not all be done in the order illustrated. For example, steps 404 and 405 can be performed in the reverse order or can be done simultaneously.
The above-described methods of embodiments of the present invention may be implemented in a processing system (unit) 200 such as that shown in FIG. 2. FIG. 2 shows a configuration of a processing system 200 that can be implemented on an electronic processing system, for example, a mobile phone, PDA, laptop, PC, etc. It comprises at least one programmable processor 203 coupled to a memory subsystem 205 which comprises at least one form of memory, e.g., RAM, ROM, etc. It should be noted that the processor 203 or the processors may be a standard processor or a special purpose processor and may be intended to be integrated in a device, eg, a chip that has other components that perform other functions. functions. The processor may also be an FPGA or other programmable logic device. Accordingly, one or more aspects of the present invention may be implemented in a digital electronic circuit, or in computer hardware, firmware, software or combinations thereof. The processing system includes a storage subsystem 207 which may have at least one disk drive and / or a CD-ROM drive and / or a DVD drive and / or a USB port. In some implementations, a display system, a keyboard and a pointing device or a touch screen may be included as part of a user interface subsystem 209 to provide a user with manually entered information. Ports for input and output of data may also be included, for example, interfaces for one or more microphones for inputting sound signals, particularly sounds related to the absorption of water or liquid from a computer. animal or group of animals, particularly sheep or goats). Other interfaces may be provided for coupling image capturing devices to the computer system, for example to connect one or more digital cameras, for example, a video camera. More items such as network connections, interfaces with various devices, etc. may be included, either with wired or wireless connectors but not shown in FIG. 2. The various elements of the processing system 200 may be coupled in a variety of ways, including a bus subsystem 213 shown in FIG. 2 for simplicity, as a single bus, but it will be understood that those skilled in the art include a system of at least one bus. The memory subsystem memory 205 may retain at a certain time, part or all (in either case presented in point 201) of a set of instructions which, when executed on the processing system 200 perform the process steps of the embodiments described herein.
The present invention also includes a computer program product that provides functionality for any of the methods of the present invention when executed on a computing device. This computer program product can be materialized concretely by a support bearing a code readable by a machine to be executed by a programmable processor. The present invention thus relates to a medium carrying a computer program product which, when executed on a computer means, provides instructions for performing any of the methods as described above. The term "medium" refers to any medium that participates in providing instructions to a processor for execution. This support may take any form, including, but not limited to, nonvolatile media and transmission media. Nonvolatile media include, for example, optical or magnetic disks such as a storage device that is part of a mass storage device. Common forms of computer readable media include a CD-ROM, a DVD, a floppy disk or floppy disk, a tape, a memory chip, or a cartridge or other computer-readable medium. Various forms of computer readable media may participate in supporting one or more sequences of one or more instructions to a processor for execution thereof. The computer program product can also be transmitted via a carrier wave in a network, such as LAN, WAN, or the Internet. The transmission media may take the form of acoustic or light waves such as those generated during radio and infrared data communications. The transmission media include coaxial cables, copper wires, and optical fibers, as well as wires that include a bus in a computer.

权利要求:
Claims (16)
[1" id="c-fr-0001]
1, - System for automatically determining a toxemia of pregnancy in at least one animal (10) in a group of animals, the system comprising: - a sensor (50) for obtaining at least one value representative of the absorption of a liquid or water of the at least one animal (10), said sensor (50) being adapted to be placed near a liquid or water supply station (20) or on the at least one an animal ; and a treatment unit (70) configured to compare the at least one value obtained representative of the absorption of a liquid or water of the at least one animal (10) with a representative average value of an average of the at least one value for the group of animals or a value deducted therefrom; and generating a signal and / or an alarm when the at least one value obtained representative of the absorption of a liquid or of water exceeds the average value or the value deduced therefrom by a predetermined threshold value.
[2" id="c-fr-0002]
2, - The system of claim 1, further comprising an identification unit (41) for identifying the at least one animal (10), the identification unit (41) being adapted to be placed close to a liquid or water supply station or the at least one animal, wherein the treatment unit (70) is configured to determine the at least one animal (10) for which the signal and / or the alarm is generated.
[3" id="c-fr-0003]
The system of any of the preceding claims, further comprising a breath test device (60) for analyzing the breath of the at least one animal (10).
[4" id="c-fr-0004]
4, - System according to any one of the preceding claims, wherein the sensor (50) is a compact cylindrical valve device which is adapted to be removably attached directly to a water supply pipe and distributes the water on demand, directly into the mouth of the animal by a hollow control device and is adapted to obtain the at least one value representative of the absorption of a liquid or water.
[5" id="c-fr-0005]
5, - Water supply station (20) for at least one animal (10), said water supply station (20) comprising: - an identification unit (41) for identifying the at least one animal (10) approaching or near the water supply station (20); a sensor (50) for obtaining at least one value representative of the absorption of a liquid or water of the at least one animal (10). a treatment unit configured to compare the at least one value obtained representative of the liquid or water absorption of the at least one animal with an average value representative of a mean of the at least one value for the group of animals or a value derived therefrom; and o generating a signal and / or an alarm when the at least one value obtained representative of an absorption of a liquid or water exceeds the average value or the value deduced by a predetermined threshold value.
[6" id="c-fr-0006]
The water supply station (20) of claim 5, further comprising a breath test device (60) for analyzing a breath sample of the at least one animal (10).
[7" id="c-fr-0007]
7, - water supply station (20) according to any one of claims 5 or 6, wherein the sensor (50) is provided with a compact cylindrical valve device which is adapted to be removably attached to a water supply pipe and distributes water on demand, directly into the mouth of an animal by a hollow control device and is adapted to obtain the at least one value representative of the absorption of a liquid or water.
[8" id="c-fr-0008]
8, - water dispenser (300) comprising a sensor (50), wherein the water dispenser (300) comprises a compact cylindrical valve device which is adapted to be releasably attached to a water supply line. water and distributes water on demand, directly into the mouth of an animal by a hollow control device and wherein the sensor (50) is arranged to obtain the at least one value representative of the absorption of a liquid or water.
[9" id="c-fr-0009]
9, - A water dispenser (300) according to claim 8, wherein said water dispenser is adapted to communicate with, or understand, a processing unit (70) configured to compare the at least one value obtained representative of the liquid or water absorption of the at least one animal at an average value representative of an average of the at least one value for the group of animals or a value derived therefrom; and o generating a signal and / or an alarm when the at least one value obtained representative of an absorption of a liquid or water exceeds the average value or the value deduced by a predetermined threshold value.
[10" id="c-fr-0010]
10. - Use of a value representative of the absorption of liquid or water of an animal as an indication of the presence of a toxemia of gravidarum in said animal.
[11" id="c-fr-0011]
11. The use according to claim 10, wherein said animal is a sheep or a pregnant goat.
[12" id="c-fr-0012]
12. - Use according to any one of claims 10 or 11, wherein the value representative of the absorption of liquid or water is the absorption frequency of liquid or water.
[13" id="c-fr-0013]
13. - Method (400) for automatic monitoring of toxemia of pregnancy in at least one animal in a group of animals, the method comprising: obtaining (401) at least one representative value of the absorption of a liquid or water of the at least one animal; - comparing (402) the at least one value obtained with an average value representative of an average of the at least one value of the group of animals or a value deduced therefrom; the generation (404) of a signal and / or an alarm when the at least one value representative of the absorption of a liquid or of water exceeds the average value or the value deduced by a value of predetermined threshold indicative of a toxemia of pregnancy of the at least one animal.
[14" id="c-fr-0014]
14. - A method of automatic monitoring of toxemia of pregnancy according to claim 13, wherein the at least one value is a drinking frequency, a drinking time, a volume of drink or combination thereof.
[15" id="c-fr-0015]
15. - Computer program product which, if implemented on a control or processing unit of a system according to claims 1 to 4, provides a method according to claim 13.
[16" id="c-fr-0016]
16, - Data carrier storing a computer program product according to claim 15.

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同族专利:

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公开号 | 公开日

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US20170049545A1|2017-02-23|

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AU2016219538A1|2017-03-09|

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US10172698B2|2019-01-08|

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AU2016219538B2|2020-06-25|

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GB2541459B|2021-01-13|

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GB201514918D0|2015-10-07|

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GB2541459A|2017-02-22|

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CA2939454A1|2017-02-21|

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NZ723457A|2021-03-26|

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法律状态:
2017-08-14| PLFP| Fee payment|Year of fee payment: 2 |

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2017-12-29| PLSC| Search report ready|Effective date: 20171229 |

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2018-08-27| PLFP| Fee payment|Year of fee payment: 3 |

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2019-08-22| PLFP| Fee payment|Year of fee payment: 4 |

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2020-08-21| PLFP| Fee payment|Year of fee payment: 5 |

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2021-08-19| PLFP| Fee payment|Year of fee payment: 6 |

优先权:

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申请号 | 申请日 | 专利标题

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GB1514918.0A|GB2541459B|2015-08-21|2015-08-21|A method and system for monitoring pregnancy toxaemia|

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