CN107372128A - A kind of air circulating type automatically cleaning steer ration canopy - Google Patents

A kind of air circulating type automatically cleaning steer ration canopy Download PDF

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Publication number
CN107372128A
CN107372128A CN201710501946.XA CN201710501946A CN107372128A CN 107372128 A CN107372128 A CN 107372128A CN 201710501946 A CN201710501946 A CN 201710501946A CN 107372128 A CN107372128 A CN 107372128A
Authority
CN
China
Prior art keywords
canopy
air
air inlet
automatically cleaning
circulating type
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
Application number
CN201710501946.XA
Other languages
Chinese (zh)
Inventor
胡加宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Malone Red Hill County Duobao Animal Husbandry Technology Co
Original Assignee
Malone Red Hill County Duobao Animal Husbandry Technology Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Malone Red Hill County Duobao Animal Husbandry Technology Co filed Critical Malone Red Hill County Duobao Animal Husbandry Technology Co
Priority to CN201710501946.XA priority Critical patent/CN107372128A/en
Publication of CN107372128A publication Critical patent/CN107372128A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/02Pigsties; Dog-kennels; Rabbit-hutches or the like
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/0047Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0058Construction of air inlets or outlets in roofs
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/0047Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0064Construction of air inlets or outlets in walls
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/02Pigsties; Dog-kennels; Rabbit-hutches or the like
    • A01K1/035Devices for use in keeping domestic animals, e.g. fittings in housings or dog beds
    • A01K1/0356Feeding or drinking devices associated with cages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12Brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Birds (AREA)
  • Animal Behavior & Ethology (AREA)
  • Housing For Livestock And Birds (AREA)

Abstract

The invention discloses a kind of air circulating type automatically cleaning steer ration canopy,Including exterior wall and interior wall,Exterior wall and interior wall surround canopy body,Canopy lid is provided with above canopy body,Also include air circulation ventilating system,Cowshed self-stripping unit and automatic watering constant-temperature drinking trough,At least provided with Liang Pai stable breedings area unit in canopy body,Stable breeding area unit includes some inline stable breeding areas,Cowshed self-stripping unit is respectively arranged in stable breeding area,Air circulation ventilating system is arranged between exterior wall and interior wall,Automatic watering constant-temperature drinking trough is additionally provided with stable breeding area,Solve insufficient existing for current steer ration air circulation system,Cowshed self-stripping unit realizes the cleaning in stable breeding area automatically,It is time saving and energy saving,Judge whether to need to change the drinking water in groove jointly by level sensor and time module on constant-temperature drinking trough device,Realize the automatic clean degree for changing drinking water in retention groove body,And connected with cowshed self-stripping unit,Rationally utilize water source.

Description

A kind of air circulating type automatically cleaning steer ration canopy
Technical field
The present invention relates to ox cultural technique field, more particularly to a kind of air circulating type automatically cleaning steer ration canopy.
Background technology
Beef cattle is stocker, is a kind of to produce the ox based on beef.The characteristics of beef cattle is:Body body is plentiful, weightening is fast, raises Expect that utilization rate is high, meat production is good, meat taste is good.Beef cattle not only provides meat product for people, and it is secondary also to provide other for people Food.The beef cattle of stable breeding, typically there are certain requirement, such as ventilation, temperature, sunlight etc. to the environment of stable breeding.With automatic The continuous development of control technology, the stable breeding environment of cattle and sheep can be realized easily by various equipment, and can be by full-automatic Realize.But in reality although beef cattle has certain requirement to growth environment, but require not very high, prior art is to circle The control of environment is supported, arrives suitable environment although can control, cost is very high, is not easy to promote, it is small to be not particularly suitable for rural area The cultivation of amount;In breeding process, it is typically necessary artificial toward water is added in drinking trough, adds hand labor intensity;Cowshed Need often to be cleared up, ensure the environment inside cowshed, in order to avoid breed bacteria, and in general cleaning way is all artificial clear Wash, not only labor intensity is big and efficiency is low, it is impossible to meet the needs of modernizing steer ration.
The content of the invention
The main object of the present invention is to solve current steer ration canopy above shortcomings, there is provided a kind of air follows Ring type automatically cleaning steer ration canopy.
The purpose of the present invention can reach by using following technical scheme:
A kind of air circulating type automatically cleaning steer ration canopy, including exterior wall and interior wall, the exterior wall and interior wall surround canopy body, Canopy lid, in addition to air circulation ventilating system, cowshed self-stripping unit and automatic watering constant temperature are provided with above the canopy body Drinking trough, the canopy body is interior to be included some inline at least provided with Liang Pai stable breedings area unit, stable breeding area unit Stable breeding area, the cowshed self-stripping unit are respectively arranged in stable breeding area, the air circulation ventilating system be arranged at exterior wall and Between interior wall, the automatic watering constant-temperature drinking trough is additionally provided with the stable breeding area.
Further, the air circulation ventilating system includes some ventilation ducts, and noise reduction dress is provided with the ventilation duct Put, purifier, refrigerating plant and heater, air inlet of air duct and air channel are respectively arranged with the ventilation duct rear and front end Air outlet, is provided with air air inlet and the outer air air inlet of canopy in canopy on the air inlet of air duct, on the duct outlet Air outlet and canopy outgoing tuyere in canopy are provided with, first is provided between air air inlet and the outer air air inlet of canopy in the canopy Rotary air valve, the second rotary air valve is provided between air outlet and canopy outgoing tuyere in the canopy, first rotary air valve can Rotation to air air inlet outside air air inlet in canopy or canopy is sealed to air air inlet outside air air inlet in canopy or canopy Close, second rotary air valve can rotate in canopy to enter air outlet in canopy or canopy outgoing tuyere at air outlet or canopy outgoing tuyere Row is closed, and exhausting system is provided with the ventilation duct.
Further, the exhausting system includes the spiral case being arranged in ventilation duct, and upper air inlet is provided with the spiral case Mouthful and lower air inlet, be provided with wind wheel, the wind wheel and the first motor connection in the spiral case.
Further, the purifier includes the absorption sea of filtering cabin and the spiral shape being arranged in filtering cabin arrangement Silk floss, the absorption sponge are twist arranged.
Further, the denoising device is included being arranged in ventilation shaft between air inlet of air duct and exhausting system Some flexible pipes arranged in parallel, between the flexible pipe and flexible pipe and flexible pipe and ventilation inside pipe wall between be filled with silencing cotton, The both ends of the flexible pipe connect with purifier and exhausting system respectively.
Further, the cowshed self-stripping unit include being arranged at fountain head on interior wall, storage tank, brush head assembly, Connecting rod and cylinder, the fountain head are connected with external water source and storage tank respectively, and the piston rod of the brush head assembly and cylinder connects Connect, the end of the cylinder and one end of connecting rod connect, and the other end of the connecting rod is provided with a nut, and the nut sleeve is located at On leading screw, the screw mandrel and the first motor connection, first motor are fixed on interior wall, the width and circle of the brush head assembly The width for supporting area is consistent.
Further, close to drain gully is provided with the floor of metope side where first motor, set on the drain gully Cover plate is equipped with, the cover plate is hinged with metope where the first motor, and connects the second motor, is covered by the second motor control.
During work, by cylinder control brush head assembly lifting, with the floor contact in stable breeding area, by the first motor control The rotation of throwing thick stick drives brush head assembly to move back and forth.
Further, the automatic watering constant-temperature drinking trough device includes cell body, and electricity is provided with the outer wall of the cell body Heating tube, the bottom of the cell body are provided with the collector nozzle being connected with storage tank, switching control pilot are provided with the collector nozzle, Temperature inductor and level sensor, the switching control pilot, temperature inductor and level sensor are provided with the cell body It is connected with control system, time module is also included in the control system, automatic water inflow device is provided with the cell body.
Further, the time that drinking water is deposited in track body in the time module.When this time is longer than control system The default time on system, while when level sensor senses that liquid level drops to default liquid level, show drinking water by for a long time Use, then control system controlling switch control valve is opened, and drains Yu Shui, and the remaining water of discharge, which enters in storage tank, to be used to rinse stable breeding Area.
The advantageous effects of the present invention:A kind of air circulating type automatically cleaning steer ration canopy of the present invention, it is reasonable in design, Simple system, it is easy to use, solve deficiency existing for current steer ration house air circulation system, the system can not only Circulating filtration purification is carried out to cowshed air well, can be good at ensureing the cleanliness factor of air in cowshed, moreover it is possible to from the external world Air, and the filtering that carried out disinfection to air are extracted, can effectively supplement air in canopy, cowshed self-stripping unit passes through brush head assembly It is upper and lower move back and forth the cleaning for realizing stable breeding area, it is time saving and energy saving, on constant-temperature drinking trough device by level sensor and Time module judges whether to need to change the drinking water in groove jointly, realizes and automatic changes the clean of drinking water in retention groove body Degree, and connected with cowshed self-stripping unit, rationally utilize water source.
Brief description of the drawings
Fig. 1 is a kind of structural representation of air circulating type automatically cleaning steer ration canopy.
Fig. 2 is the structural representation of A in Fig. 1;
Fig. 3 is the partial structural diagram of air circulating ventilation system in Fig. 1;
Fig. 4 is the partial structural diagram of air circulating ventilation system in Fig. 1.
Embodiment
To make those skilled in the art more clear and clear and definite technical scheme, with reference to embodiment and accompanying drawing The present invention is described in further detail, but the implementation of the present invention is not limited to this.
As Figure 1-4, a kind of air circulating type automatically cleaning steer ration canopy, including exterior wall 1 and interior wall 2, the exterior wall 1 Canopy body is surrounded with interior wall 2, canopy lid 3, in addition to air circulation ventilating system and cowshed self-cleaning are provided with above the canopy body Device, the canopy body is interior to include some inline circles at least provided with Liang Pai stable breedings area unit, stable breeding area unit Area 4 is supported, the cowshed self-stripping unit is arranged in stable breeding area 4, and the air circulation ventilating system is arranged at exterior wall and interior wall Between, the air circulation ventilating system includes some ventilation ducts 7, and denoising device, purification dress are provided with the ventilation duct 7 Put, refrigerating plant and heater, be respectively arranged with air inlet of air duct and duct outlet on the ventilation duct rear and front end, institute State and air air inlet 8 and the outer air air inlet 9 of canopy in canopy are provided with air inlet of air duct, canopy is provided with the duct outlet Interior air outlet 10 and canopy outgoing tuyere 11, the first rotation is provided between air air inlet and the outer air air inlet of canopy in the canopy Air door 12, the second rotary air valve 13 is provided between air outlet and canopy outgoing tuyere in the canopy, first rotary air valve can Rotation to air air inlet outside air air inlet in canopy or canopy is sealed to air air inlet outside air air inlet in canopy or canopy Close, second rotary air valve can rotate in canopy to enter air outlet in canopy or canopy outgoing tuyere at air outlet or canopy outgoing tuyere Row is closed, and exhausting system is provided with the ventilation duct, the exhausting system includes the spiral case 14 being arranged in ventilation duct, described Upper air inlet and lower air inlet are provided with spiral case, wind wheel 15, the wind wheel and the first motor connection are provided with the spiral case, The purifier includes the absorption sponge 17 of filtering cabin 16 and the spiral shape being arranged in filtering cabin arrangement, the absorption sponge Twist arrange, if the denoising device is including being arranged in ventilation shaft between air inlet of air duct and exhausting system Dry flexible pipe 18 arranged in parallel, silencing cotton, institute are filled between the flexible pipe and flexible pipe and between flexible pipe and ventilation inside pipe wall The both ends for stating flexible pipe connect with purifier and exhausting system respectively, and the cowshed self-stripping unit includes being arranged on interior wall Fountain head and storage tank, the fountain head are connected with external water source and storage tank respectively, in addition to brush head assembly 32, the and of connecting rod 33 Cylinder 34, the brush head assembly 32 are connected with the piston rod of cylinder 34, and the end of the cylinder and one end of connecting rod connect, described The other end of connecting rod is provided with a nut 35, and for the nut sleeve on leading screw 36, the screw mandrel and the first motor connection are described First motor 37 is fixed on interior wall, and the width of the brush head assembly is consistent with the width in stable breeding area, close to first motor Drain gully is provided with the floor of place metope side, cover plate, wall where the cover plate and the first motor are provided with the drain gully Face is hinged, and connects the second motor, is covered by the second motor control, and during work, the lifting of brush head assembly is controlled by cylinder, with With the floor contact in stable breeding area, rotated by the first motor control leading screw and drive brush head assembly to move back and forth, the automatic watering Constant-temperature drinking trough device includes cell body, is provided with electric heating tube on the outer wall of the cell body, the bottom of the cell body be provided with The collector nozzle of storage tank connection, is provided with switching control pilot on the collector nozzle, be provided with the cell body temperature inductor and Level sensor, the switching control pilot, temperature inductor and level sensor are connected with control system, in the control system Also include time module, automatic water inflow device is provided with the cell body.Drinking water is deposited in track body in time module Time, when this time is longer than the default time in control system, while level sensor senses that liquid level drops to default liquid During position, show that drinking water is used for a long time, then control system controlling switch control valve is opened, and drains Yu Shui, discharge it is remaining Water, which enters in storage tank, to be used to rinse stable breeding area.
Described above, the only preferred embodiment of the invention, but protection scope of the present invention is not limited thereto is any ripe Those skilled in the art are known in scope disclosed in this invention, technique according to the invention scheme and its design are subject to Equivalent substitution or change, belong to protection scope of the present invention.

Claims (9)

  1. A kind of 1. air circulating type automatically cleaning steer ration canopy, it is characterised in that:Including exterior wall and interior wall, the exterior wall and interior wall Canopy body is surrounded, is provided with canopy lid above the canopy body, in addition to air circulation ventilating system, cowshed self-stripping unit and automatic Add water termostat drinking trough, the canopy body is interior at least provided with Liang Pai stable breedings area unit, and it is in one that stable breeding area unit, which includes some, The stable breeding area of word arrangement, the cowshed self-stripping unit are respectively arranged in stable breeding area, and the air circulation ventilating system is set Between exterior wall and interior wall, the automatic watering constant-temperature drinking trough is additionally provided with the stable breeding area.
  2. A kind of 2. air circulating type automatically cleaning steer ration canopy according to claim 1, it is characterised in that:The air follows Ring ventilating system includes some ventilation ducts, and denoising device, purifier, refrigerating plant and heating dress are provided with the ventilation duct Put, air inlet of air duct and duct outlet are respectively arranged with the ventilation duct rear and front end, is set on the air inlet of air duct There are air air inlet and the outer air air inlet of canopy in canopy, air outlet and the outer air-out of canopy in canopy are provided with the duct outlet Mouthful, be provided with the first rotary air valve in the canopy between air air inlet and the outer air air inlet of canopy, in the canopy air outlet and It is provided with the second rotary air valve between canopy outgoing tuyere, first rotary air valve can rotate in canopy outside air air inlet or canopy Air air inlet is closed to air air inlet outside air air inlet in canopy or canopy, and second rotary air valve can rotate to Air outlet in canopy or canopy outgoing tuyere are closed at air outlet or canopy outgoing tuyere in canopy, is provided with and takes out in the ventilation duct Wind system.
  3. A kind of 3. air circulating type automatically cleaning steer ration canopy according to claim 2, it is characterised in that:The exhausting system System includes the spiral case being arranged in ventilation duct, and upper air inlet and lower air inlet are provided with the spiral case, is set in the spiral case There are wind wheel, the wind wheel and the first motor connection.
  4. A kind of 4. air circulating type automatically cleaning steer ration canopy according to claim 2, it is characterised in that:The purification dress The absorption sponge including filtering cabin and the spiral shape being arranged in filtering cabin arrangement is put, the absorption sponge is twist arranged.
  5. A kind of 5. air circulating type automatically cleaning steer ration canopy according to claim 2, it is characterised in that:The noise reduction dress Some flexible pipes arranged in parallel including being arranged in ventilation shaft between air inlet of air duct and exhausting system are put, it is described soft Be filled with silencing cotton between pipe and flexible pipe and between flexible pipe and ventilation inside pipe wall, the both ends of the flexible pipe respectively with purifier Connected with exhausting system.
  6. A kind of 6. air circulating type automatically cleaning steer ration canopy according to claim 1, it is characterised in that:The cowshed is certainly Cleaning device includes being arranged at fountain head, storage tank, brush head assembly, connecting rod and cylinder on interior wall, the fountain head respectively with External water source and storage tank connection, the piston rod connection of the brush head assembly and cylinder, the end of the cylinder and the one of connecting rod End connection, the other end of the connecting rod are provided with a nut, and on leading screw, the screw mandrel and the first motor connect the nut sleeve Connect, first motor is fixed on interior wall, and the width of the brush head assembly is consistent with the width in stable breeding area.
  7. A kind of 7. air circulating type automatically cleaning steer ration canopy according to claim 6, it is characterised in that:Close to described the Drain gully is provided with the floor of metope side where one motor, cover plate, the cover plate and the first motor are provided with the drain gully Place metope is hinged, and connects the second motor, is covered by the second motor control.
  8. A kind of 8. air circulating type automatically cleaning steer ration canopy according to claim 1, it is characterised in that:It is described to add automatically Water termostat drinking-water slot device includes cell body, electric heating tube is provided with the outer wall of the cell body, the bottom of the cell body is provided with The collector nozzle being connected with storage tank, switching control pilot is provided with the collector nozzle, temperature inductor is provided with the cell body And level sensor, the switching control pilot, temperature inductor and level sensor are connected with control system, the control system On also include time module, be provided with automatic water inflow device on the cell body.
  9. A kind of 9. air circulating type automatically cleaning steer ration canopy according to claim 8, it is characterised in that:The time mould The time that drinking water is deposited in track body on block.
CN201710501946.XA 2017-06-27 2017-06-27 A kind of air circulating type automatically cleaning steer ration canopy Pending CN107372128A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710501946.XA CN107372128A (en) 2017-06-27 2017-06-27 A kind of air circulating type automatically cleaning steer ration canopy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710501946.XA CN107372128A (en) 2017-06-27 2017-06-27 A kind of air circulating type automatically cleaning steer ration canopy

Publications (1)

Publication Number Publication Date
CN107372128A true CN107372128A (en) 2017-11-24

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CN201710501946.XA Pending CN107372128A (en) 2017-06-27 2017-06-27 A kind of air circulating type automatically cleaning steer ration canopy

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108782444A (en) * 2018-06-27 2018-11-13 桐梓县聚民富农农业专业合作社 Calf breeding method and feeding facility
CN113545295A (en) * 2021-08-31 2021-10-26 重庆纤维研究设计院股份有限公司 Fresh air system and have plant building of this fresh air system
CN113951150A (en) * 2021-11-02 2022-01-21 巫溪县长贵养殖有限公司 Be used for wild boar childbirth to breed canopy
CN114906953A (en) * 2022-05-27 2022-08-16 黑龙江八一农垦大学 Sewage circulation treatment device for cow breeding

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8181604B1 (en) * 2007-05-22 2012-05-22 David Avila Barn system for housing farm animals
CN104843904A (en) * 2015-05-22 2015-08-19 佛山市顺德区美的饮水机制造有限公司 Water purification equipment, filtering system and water filtering method for filtering system
CN205455162U (en) * 2016-01-18 2016-08-17 山东新绿食品股份有限公司 Cowshed for beef rearing
CN106386562A (en) * 2016-10-21 2017-02-15 新希望六和股份有限公司 Pre-mixing ventilating type chicken house
CN206118716U (en) * 2016-08-31 2017-04-26 红河霏红奶牛养殖有限公司 Self -circulation formula cow breeding big -arch shelter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8181604B1 (en) * 2007-05-22 2012-05-22 David Avila Barn system for housing farm animals
CN104843904A (en) * 2015-05-22 2015-08-19 佛山市顺德区美的饮水机制造有限公司 Water purification equipment, filtering system and water filtering method for filtering system
CN205455162U (en) * 2016-01-18 2016-08-17 山东新绿食品股份有限公司 Cowshed for beef rearing
CN206118716U (en) * 2016-08-31 2017-04-26 红河霏红奶牛养殖有限公司 Self -circulation formula cow breeding big -arch shelter
CN106386562A (en) * 2016-10-21 2017-02-15 新希望六和股份有限公司 Pre-mixing ventilating type chicken house

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108782444A (en) * 2018-06-27 2018-11-13 桐梓县聚民富农农业专业合作社 Calf breeding method and feeding facility
CN113545295A (en) * 2021-08-31 2021-10-26 重庆纤维研究设计院股份有限公司 Fresh air system and have plant building of this fresh air system
CN113951150A (en) * 2021-11-02 2022-01-21 巫溪县长贵养殖有限公司 Be used for wild boar childbirth to breed canopy
CN114906953A (en) * 2022-05-27 2022-08-16 黑龙江八一农垦大学 Sewage circulation treatment device for cow breeding

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Application publication date: 20171124