EP3965560A1 - Enceinte pour l'élevage d'animaux, par exemple pour des vaches laitières, et système de réduction du stress thermique pour une aire d'alimentation dans une telle enceinte - Google Patents
Enceinte pour l'élevage d'animaux, par exemple pour des vaches laitières, et système de réduction du stress thermique pour une aire d'alimentation dans une telle enceinteInfo
- Publication number
- EP3965560A1 EP3965560A1 EP20722360.3A EP20722360A EP3965560A1 EP 3965560 A1 EP3965560 A1 EP 3965560A1 EP 20722360 A EP20722360 A EP 20722360A EP 3965560 A1 EP3965560 A1 EP 3965560A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- nozzles
- jet
- enclosure
- animals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241001465754 Metazoa Species 0.000 title claims abstract description 89
- 230000008642 heat stress Effects 0.000 title claims abstract description 17
- 241000283690 Bos taurus Species 0.000 title claims abstract description 14
- 235000013365 dairy product Nutrition 0.000 title claims abstract description 8
- 230000000384 rearing effect Effects 0.000 title claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 230000008646 thermal stress Effects 0.000 claims description 23
- 238000009423 ventilation Methods 0.000 claims description 19
- 238000009395 breeding Methods 0.000 claims description 18
- 230000001488 breeding effect Effects 0.000 claims description 18
- 230000009467 reduction Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000009792 diffusion process Methods 0.000 claims description 10
- 210000000481 breast Anatomy 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 238000003975 animal breeding Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005802 health problem Effects 0.000 description 2
- 208000019693 Lung disease Diseases 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007937 eating Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 208000004396 mastitis Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000069 prophylactic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0082—Water misting or cooling systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/06—Devices for fastening animals, e.g. halters, toggles, neck-bars or chain fastenings
- A01K1/0606—Devices for fastening animals, e.g. halters, toggles, neck-bars or chain fastenings by means of grids with or without movable locking bars
Definitions
- Enclosure for breeding animals for example for dairy cows, and heat stress reduction system for a feeding area in such an enclosure
- the present invention relates to the technical field of enclosures for animal husbandry, but also to systems for reducing the thermal stress of animals in such enclosures.
- Animal comfort is a determining parameter in the performance of a farm.
- This comfort influences in particular the health, the way of eating, food intake, fertility and longevity of animals.
- Comfort also includes a “thermal” component.
- thermo stress a harmful phenomenon known as "thermal stress”.
- Such heat stress is reflected in particular by behavioral manifestations of defense, a drop in zootechnical performance, a deterioration in reproduction parameters and an increase in pathologies.
- cattle can be sprayed with water and cooled with a fan, simultaneously, to stimulate evapotranspiration and reduce their body temperature.
- Spraying can be implemented by means of a misting system; this method has the advantage of generating a drop in temperature in the building.
- Spraying can also be done using sprays or showers which are intended to moisten the whole animal.
- the cattle are then effectively cooled, but large quantities of water also flow into the corridors; the animals are also soaked to their udders, creating health problems such as mastitis.
- the present invention provides a new enclosure for the breeding of animals, for example for dairy cows.
- This enclosure has a feeding area which is connected to a feeding table via a barrier (eg in the form of a yoke or a withers bar).
- a barrier eg in the form of a yoke or a withers bar.
- the feeding area has several juxtaposed locations which are each intended to receive an animal (advantageously in the form of dividers).
- This feeding area also includes a system to reduce the heat stress of the animals present.
- This heat stress reduction system comprises a system for spraying water on the animals present within said feeding area.
- this water projection system comprises:
- control means to control at least the flow rate of said water jet diffused by said nozzles.
- said water projection system is configured to diffuse, within each location, said water jet so as to wet the back line, and possibly the flanks, of the animal present.
- the use of water is optimal for cooling the animal, without significantly increasing the ambient relative humidity.
- - Said nozzles are chosen from among the nozzles diffusing a directional flat jet whose median plane is oriented vertically, and each of said nozzles is oriented so that said median plane of said directional flat jet is located in the vertical median plane of a location;
- said nozzles are mounted on the side of the barrier, at a height ranging from 1,400 to 1,800 mm from the ground, and said nozzles are chosen to diffuse a directional flat jet having a spray angle ranging from 50 ° to 100 ° ;
- the control means comprise a timing module, advantageously coupled to at least one solenoid valve, provided to control the diffusion time of said water jet through the nozzles, for example for 2 to 5 min every 15 to 45 min depending heat stress;
- control means further comprise means for detecting the presence of an animal within each location, and a module for authorizing the diffusion of said water jet through a nozzle associated with a location, when the presence of an animal is detected in said location;
- the thermal stress reduction system also includes a ventilation system (eg natural ventilation, longitudinal ventilation, basket fans, low speed fans); preferably, the ventilation means are coupled to, on the one hand, means for collecting the ambient temperature and, on the other hand, control means, to activate said ventilation means when a threshold ambient temperature is reached .
- a ventilation system eg natural ventilation, longitudinal ventilation, basket fans, low speed fans
- the present invention also relates to the heat stress reduction system, as such, for a feeding area in an enclosure for breeding animals.
- the heat stress reduction system includes a system for spraying water on animals.
- the water projection system comprises:
- nozzles each suitable for diffusing a jet of water in a location, preferably nozzles chosen from among the nozzles diffusing a directional flat jet, and
- control means to control at least the flow rate of said water jet diffused by said nozzles.
- the water projection system is able to diffuse, within each location, a jet of water intended to wet the back line, and possibly the sides, of the animal present.
- the present invention also relates to a method for reducing the thermal stress of animals present in the feeding area of an enclosure for breeding animals according to the invention.
- This process consists in diffusing, on each animal present in a location, a jet of water intended to wet said animal at the level of its back line, and possibly of its sides, while avoiding (or at least limiting) runoff until 'to its udders.
- this method consists in diffusing, on each animal present in a location, a jet of water consisting of a directional flat jet whose median plane is oriented vertically; and each of the nozzles is oriented such that said midplane of said directional flat jet is located in the mid-vertical plane of a location.
- the time for the water jet to diffuse through the nozzles is 2 to 5 min, every 15 to 45 min, depending on the thermal stress involved;
- the flow rate of the water jet is 0.5 to 5 L / min;
- the temperature of the water jet is 10 to 20 ° C.
- FIG. 1 is a partial view of a breeding enclosure according to the invention, showing in perspective a feeding area equipped with a system for reducing the thermal stress of the animals;
- FIG. 2 is a side view of Figure 1, showing the feeding area equipped with the system to reduce heat stress in animals;
- FIG. 3 is a partial front view of Figure 1, showing a yoke which delimits the feeding area and which is equipped with the system to reduce the heat stress of the animals;
- FIG. 4 shows, seen from the rear, a dairy cow present within a location of a feeding area, said dairy cow being subjected to a water jet diffused by the system to reduce the thermal stress of the animals .
- the enclosure 1 according to the invention, partially shown in Figures 1 to 4, consists of an enclosure for the breeding of animals B.
- mammals is understood to mean in particular bovines, in particular dairy cows, or even beef cattle.
- a B bovine presents different morphological parts, in particular:
- the breeding enclosure 1 consists of a building delimited by a frame and adapted to the desired breeding (for example a stable in the case of cattle).
- This breeding enclosure 1 comprises different zones, in particular the feeding area A which is, on the first side, bordered by a circulation corridor L and, on the second side, connected to a feeding table T via a barrier ⁇ here in the form of a yoke ( Figures 1 and 2).
- the feed area A can be connected to the feeding table T via a bar at the withers.
- Feeding area A is the area in which animals settle when feeding at feed table T.
- This feeding area A has several juxtaposed locations E which are each intended to receive an animal B, advantageously in a row arrangement.
- Each location E comprises in particular a vertical median plane E, perpendicular to a longitudinal plane ⁇ (also called “general vertical plane”) of the barrier C.
- the feed table T (also known as the feed table, trough or rack) is the area in which feed is placed / conveyed for the animals.
- the barrier for example in the form of a yoke / withers bar, is the device installed between the feeding area A and the feeding table T, to limit the movement of the animals when they are feeding.
- this headlock ⁇ is in the form of a barrier which is provided with windows 1_ for the passage of the head of an animal. Each window 1 defines one of the locations E of the feed area A.
- Each window 1_ is delimited by a rectangular vertical frame, defining a vertical median plane CT which is perpendicular to the longitudinal plane ⁇ of the yoke ⁇ , advantageously coplanar with the vertical median plane E.
- each rectangular vertical frame is composed here of two horizontal longitudinal members, one upper C11 and the other lower C12, connected by two vertical uprights C13.
- the window 1_ is also equipped with a C14 balance, in particular to ensure the restraint of an animal.
- the balance C14 here consists of a bar, rectilinear and tubular, mounted to pivot on a load-bearing yoke, around a horizontal axis and perpendicular to the general vertical plane ⁇ of the yoke ⁇ .
- This C14 balance can be arranged in three main positions by pivoting: an open position (left), a closed position (in the middle) or a release position (right).
- the yoke usually comprises a plurality of such windows 1, aligned next to each other in the same vertical plane.
- the locations E are here again materialized laterally by optional tubular separators S.
- Two tubular separators S can encompass one location E or more locations E (for example at least two).
- the circulation corridor L is used by animals B walking between the different functional spaces of the breeding enclosure 1.
- the feeding area A further comprises a system 5 for reducing the heat stress of the animals present.
- This heat stress reduction system 5 comprises (or even consists of) a system for spraying water on the animals B present in the feeding area A.
- this water projection system 5 comprises:
- a water system 6 equipped with several nozzles 7 which are each arranged to diffuse a jet of water J in a location E, and
- control means 8 to control at least the flow rate of the water jet diffused by the nozzles 7.
- the water system 6 advantageously comprises a set of pipes 61 which are connected, on the one hand, to the nozzles 7 (advantageously mounted in series) and, on the other hand, to a water source 62, the temperature of which is advantageously 10 ° C to 20 ° C.
- the water system 6 may also include means for adding the water source 62 with an active principle (not shown), for example a proportional metering device or a hydraulic metering pump.
- an active principle for example a proportional metering device or a hydraulic metering pump.
- the active principle advantageously consists of a prophylactic active principle (for example an essential oil capable of combating respiratory diseases, and in particular pulmonary diseases, of animals).
- a prophylactic active principle for example an essential oil capable of combating respiratory diseases, and in particular pulmonary diseases, of animals.
- this water projection system 5 is configured to diffuse, within each location E, said water jet J so as to wet the back line B1 in a targeted manner, and possibly the sides B2, of the animal present (as illustrated schematically, by the broken line K in FIG. 4).
- the nozzles 7 are preferably chosen from among the nozzles 7 diffusing a directional flat jet J, also called “flat jet nozzles”.
- directional flat jet J is advantageously meant a jet (at the nozzle outlet) having a generally triangular shape, with a maximum thickness of 1 mm to 5 mm.
- flat jet nozzle slit or brush jet or flat jet nozzles.
- Such a flat jet nozzle advantageously comprises an elliptical orifice.
- Such a directional flat jet J is advantageously defined by the following parameters: - a median plane J1 (in which extends the directional flat jet J at the outlet of nozzle 7) and
- each nozzle 7 is thus advantageously oriented so that the median plane J1_ of its directional flat jet J is:
- the median plane J1 of the directional flat jet J and the vertical median plane E of the location E are thus coplanar, or at least approximately coplanar.
- This median plane J1 of the directional flat jet J is also advantageously perpendicular to the longitudinal plane ⁇ of the barrier ⁇ .
- the nozzles 7 are advantageously mounted on the side of the barrier ⁇ , within a horizontal strip 50 cm wide on either side of the longitudinal plane ⁇ of the barrier ⁇ .
- nozzles 7 are also advantageously located at a height, relative to the ground, ranging from 1,400 to 1,800 mm, to come above the animals (in particular above their shoulders). In general, the nozzles 7 are still advantageously located at a vertical distance, relative to the animal, ranging from 250 to 750 mm.
- the nozzles 7 are advantageously chosen to diffuse a directional flat jet J having a spray angle J2 (also called "opening angle") of 50 ° to 100 °.
- a spray angle J2 also called "opening angle”
- Such an arrangement aims to wet the back line B1_ of the animal B as well as possible, from its shoulders to its tail.
- the nozzles 7 are advantageously chosen and positioned to diffuse a directional flat jet J including:
- an upper border J3 defines an angle J3 ⁇ of between 45 ° and 90 ° with respect to a vertical plane V, so as to reach the posterior end of the back line B1_, and
- a lower border J4 defines an angle J4 ⁇ between 0 ° and 45 ° relative to a vertical plane V, so as to reach the anterior end of the back line B1_.
- the control means 8 advantageously comprise a programmable electronic device associated with at least one computer program (for example of the industrial programmable logic controller or API type), intended for controlling the flow of water through the nozzles 7.
- control means 8 advantageously comprise a timing module 81 (for example in the form of an electronic component and / or a computer program) which is advantageously coupled to a solenoid valve 9 of the water system 6.
- the timing module 81 is provided to control the diffusion time of the water jet J through the nozzles 7 (corresponding to the open position of the solenoid valve 9).
- the diffusion time of the water jet J through the nozzles 7 is 2 to 5 min, every 15 to 45 min, depending on the thermal stress present (which advantageously takes into account the temperature ambient or also relative humidity).
- control means 8 further comprise:
- a processing module 83 to allow the diffusion of the jet of water J by a nozzle 7 associated with a location E when the presence of an animal is detected in this location E.
- the detection means 82 include, for example, a fixed reader (designated by the same reference 82), able to read the electronic identification loops worn by the animals (generally on one ear).
- This fixed reader 82 is advantageously connected to the control means 8.
- the detection means 82 are advantageously based on remote and contactless identification technology.
- the electronic loop fitted to the animal, has a transponder cast in its constituent material.
- the transponder contained in the loop consists of an electronic chip which contains the digital information (the national number of the animal) and of an antenna which allows the exchange with the fixed reader 82.
- these detection means 82 may consist of a presence detector, for example of the infrared type.
- the processing module 83 for its part advantageously consists of a processing module in the form of an electronic component and / or a computer program.
- This processing module 83 is suitable in particular for collecting and processing the data coming from the detection means 82, in order to authorize spraying only through a nozzle 7 associated with an occupied location E.
- the water supply to each nozzle 7 is advantageously regulated by a dedicated solenoid valve 9.
- control means 8 can be coupled to the ambient temperature collection means 11, to activate this water projection system 5 when a threshold ambient temperature (maximum / ceiling) is reached.
- the control means 8 will thus control the water projection system 5 between two configurations:
- the thermal stress reduction system 5 may further include a ventilation system 10.
- ventilation system 10 natural ventilation, longitudinal ventilation, basket fans or low speed fans.
- These ventilation means 10 are coupled to:
- the control means 12 will thus control the ventilation means 10 between two configurations:
- an active configuration when the ambient temperature collected by the dedicated collection means 11 reaches, or even exceeds, a threshold ambient temperature
- this method will consist in diffusing, on each animal B present in a location E, a jet of water J intended to wet this animal B at the level of its back line B1_, and possibly of its flanks B2 (as illustrated schematically by the broken line K in figures 2 and 4)
- This water jet J is also adjusted, quantitatively and spatially, so as to avoid (or at least limit) the flow of the liquid to its belly B3 and in particular its udders.
- the diffusion time of the water jet J by the nozzles 7 is 2 to 5 min, every 15 to 45 min, depending on the thermal stress ( preferably, the frequency of the spraying being adapted according to the thermal stress in real time and the speed of the ventilation flow; an algorithm taking into account all these factors is advantageously integrated in the control means of said at least one solenoid valve).
- this jet of water J is advantageously 0.5 to 5 L / min, to prevent runoff on the animal.
- the temperature of the water jet J is advantageously 10 to 20 ° C.
- the start-up of this thermal stress reduction system 5 can be carried out manually, or automatically, for example taking into account the ambient temperature of enclosure 1.
- the processing module 83 allows the diffusion of the water jet J through the nozzles 7 associated only with the locations E in which the presence of an animal is detected.
- the ventilation means 10 can also be activated by the associated control means 12 and taking into account the temperatures coming from the collection means 11.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1904780A FR3095736B1 (fr) | 2019-05-07 | 2019-05-07 | Enceinte pour l’élevage d’animaux, par exemple pour des vaches laitières, et système de réduction du stress thermique pour une aire d’alimentation dans une telle enceinte |
PCT/EP2020/062549 WO2020225290A1 (fr) | 2019-05-07 | 2020-05-06 | Enceinte pour l'élevage d'animaux, par exemple pour des vaches laitières, et système de réduction du stress thermique pour une aire d'alimentation dans une telle enceinte |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3965560A1 true EP3965560A1 (fr) | 2022-03-16 |
Family
ID=67875637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20722360.3A Pending EP3965560A1 (fr) | 2019-05-07 | 2020-05-06 | Enceinte pour l'élevage d'animaux, par exemple pour des vaches laitières, et système de réduction du stress thermique pour une aire d'alimentation dans une telle enceinte |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3965560A1 (fr) |
CA (1) | CA3137547A1 (fr) |
FR (1) | FR3095736B1 (fr) |
WO (1) | WO2020225290A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3124924B1 (fr) * | 2021-07-08 | 2023-10-27 | Group Elastoteck | Séparateur pour marche d’alimentation dans un bâtiment d’élevage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2313032A (en) * | 1996-05-14 | 1997-11-19 | G E Baker | Animal actuated cooling spray |
JP2002051657A (ja) * | 2000-08-10 | 2002-02-19 | Orion Mach Co Ltd | 牛体冷房装置 |
ES2612743T3 (es) * | 2006-09-29 | 2017-05-18 | Delaval Holding Ab | Método y sistema de control para disminuir la carga térmica en animales |
EP2005819B1 (fr) * | 2007-06-22 | 2013-09-18 | DeLaval Holding AB | Procédé et appareil de refroidissement d'un animal |
US20200008390A1 (en) * | 2017-03-17 | 2020-01-09 | Tomas Michael NOORDHUIZEN | A device and method for cooling horses affected by heat stress |
-
2019
- 2019-05-07 FR FR1904780A patent/FR3095736B1/fr active Active
-
2020
- 2020-05-06 CA CA3137547A patent/CA3137547A1/fr active Pending
- 2020-05-06 EP EP20722360.3A patent/EP3965560A1/fr active Pending
- 2020-05-06 WO PCT/EP2020/062549 patent/WO2020225290A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR3095736A1 (fr) | 2020-11-13 |
CA3137547A1 (fr) | 2020-11-12 |
FR3095736B1 (fr) | 2022-06-17 |
WO2020225290A1 (fr) | 2020-11-12 |
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