CN110720396A - Annular cowshed - Google Patents

Annular cowshed Download PDF

Info

Publication number
CN110720396A
CN110720396A CN201910879086.2A CN201910879086A CN110720396A CN 110720396 A CN110720396 A CN 110720396A CN 201910879086 A CN201910879086 A CN 201910879086A CN 110720396 A CN110720396 A CN 110720396A
Authority
CN
China
Prior art keywords
bell
building roof
annular
layer
feeding
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
CN201910879086.2A
Other languages
Chinese (zh)
Inventor
惠雪
刘统帅
姬真真
席磊
史学涛
史琳会
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.)
Beijing Metropolitan Farmers And Animal Husbandry Equipment Co Ltd
Luoyang Chentao Animal Husbandry Technology Co Ltd
Henan University of Animal Husbandry and Economy
Original Assignee
Beijing Metropolitan Farmers And Animal Husbandry Equipment Co Ltd
Luoyang Chentao Animal Husbandry Technology Co Ltd
Henan University of Animal Husbandry and Economy
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 Beijing Metropolitan Farmers And Animal Husbandry Equipment Co Ltd, Luoyang Chentao Animal Husbandry Technology Co Ltd, Henan University of Animal Husbandry and Economy filed Critical Beijing Metropolitan Farmers And Animal Husbandry Equipment Co Ltd
Priority to CN201910879086.2A priority Critical patent/CN110720396A/en
Publication of CN110720396A publication Critical patent/CN110720396A/en
Pending legal-status Critical Current

Links

Images

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
    • A01K1/0005Stable partitions
    • 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
    • A01K1/01Removal of dung or urine, e.g. from stables

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

The invention particularly relates to an annular cowshed which comprises an annular cowshed body, wherein feeding facility equipment is arranged in the annular cowshed body, the annular cowshed body is of a three-layer bell-type double-slope building structure and comprises a structural upright post, a bottom-layer bell-type roof, an intermediate-layer bell-type roof, a top-layer bell-type roof, a lower-layer ventilation opening structural column and an upper-layer ventilation opening structural column, and a feeding mechanism comprises an external feeding neck clamp, an internal feeding neck clamp, an arc-shaped fence, a fence door, a pen grouping fence, an electric heating drinking trough, an annular feeding channel, an internal feeding channel, a rotary channel, a flower bed, a pen fence ground, a central grouping management area, a central grouping fence area, a feces clearing channel and an open-air group turning channel; the building style of the three-layer clockwork realizes pure natural ventilation of the cowshed and saves energy; the open-air grouping management system of the annular center realizes effective combination of beef cattle production and Internet of things management.

Description

Annular cowshed
Technical Field
The invention belongs to the technical field of livestock breeding facilities and equipment, and particularly relates to an annular cowshed.
Background
With the pursuit of people for good life, the beef cattle serving as the traditional high-grade meat food has the advantages that the consumption proportion of the meat of residents in China is continuously improved, and the development of the barn feeding beef cattle breeding industry in China is powerfully promoted. After 2010, a large number of large-scale beef cattle farms with over ten thousand livestock in stock pens are built in China, but the adopted breeding mode is relatively laggard, and the traditional tying or small group breeding mode is basically adopted. Compared with the traditional beef cattle feeding mode, the cowshed basically adopts mechanical feeding and mechanical manure cleaning (most of the tethered cowshed is manual work or combination of manual work and machinery), the labor productivity is improved to a certain extent, and the working state of workers is improved.
The technical scheme is that the problems of the production process mode of the beef cattle are gradually highlighted with the continuous improvement of the breeding level, animal welfare and environmental protection requirements, mainly represented by the fact that ① effective utilization area of a cattle shed is small, investment waste is serious, taking a traditional rectangular cattle shed with the width of 12 meters as an example, due to the fact that a mechanical feeding system is adopted, half of the width of a channel where a central feeding vehicle walks is 4.5-5 m, the direct movement area of the cattle in the shed only accounts for 58% -62% of the building area of the cattle shed, the building investment of a unit cattle is greatly improved, ② tying and herd breeding mode is convenient to manually observe and manage the herd to a certain extent, but the growing living environment of the cattle is poor, benefits are poor, the cattle can only stand or lie in the cattle bed when tying and breeding, the movement space is severely limited, the cattle is only obvious in place, has large stress and has more limb damage when the herd, the cow herd is often laid in the urine, the body is unclean, the mechanical clearing is also realized, the mechanical working needs to work, the environmental pollution of the environmental factors of the cattle is not achieved by the local cattle, the local cattle is difficult to the natural cow bed, the natural cow is difficult to the natural breeding of the natural breeding field, the environment is difficult to the environment of the environmental pollution of the environment of the cattle is difficult to be observed and the cattle is not to be increased, the environment of the cattle is not to be observed and the environment of the cattle is not to be increased, the environment of the cattle, the environment of the cattle is not to be increased, the environment of the cattle is not all.
Disclosure of Invention
The invention aims to solve the problems in the prior breeding technology and provides a novel annular cowshed.
The purpose of the invention is realized as follows: an annular cowshed comprises an annular cowshed body, feeding facilities are arranged in the annular cowshed body, the annular cowshed body is of a three-layer clockwork type double-slope building structure and comprises a structural upright post, a bottom-layer clockwork roof, an intermediate-layer clockwork roof, a top-layer clockwork roof, a lower-layer ventilation opening structural post and an upper-layer ventilation opening structural post, the upper part of the structural upright post is provided with the bottom-layer clockwork roof, the intermediate-layer clockwork roof and the top-layer clockwork roof, a lower-layer ventilation opening structural post is arranged between the bottom-layer clockwork roof and the intermediate-layer clockwork roof, an upper-layer ventilation opening structural post is arranged between the intermediate-layer clockwork roof and the top-layer clockwork roof, the bottom-layer clockwork roof is arranged below the intermediate-layer clockwork roof, a lower-layer roof ventilation opening is formed between the bottom-layer clockwork, the bottom bell building roof and the middle bell building roof are provided with strip-shaped lighting strips.
The feeding mechanism comprises an outer feeding neck clamp, an inner feeding neck clamp, an arc-shaped fence, a circle fence door, a colony grouping jube, an electric heating drinking trough, an annular feeding channel, an inner feeding channel, a rotary channel, a flower bed, a circle fence ground, a central grouping management area, a central grouping area fence, a feces cleaning channel and an open-air group turning channel, wherein a flower bed is arranged outside the outer feeding neck clamp, the annular feeding channel is arranged between the outer feeding neck clamp and the flower bed, the rotary channel is arranged outside the flower bed, a plurality of through holes are formed in the outer feeding neck clamp, the inner feeding neck clamp is arranged at the position adjacent to the outer feeding neck clamp, the inner feeding channel is formed between the adjacent inner feeding neck clamps at the position of the through hole of the outer feeding neck clamp, the arc-shaped fence is arranged at the other end of the inner feeding neck clamp, the circle fence door is arranged on the arc-shaped fence, and the area enclosed by the outer feeding neck clamp, the inner feeding neck clamp and the arc-shaped fence, arc rail and outer feeding neck are pressed from both sides and are provided with electrical heating trough and colony house grouping jube between the way, electrical heating trough and colony house grouping jube fixed connection, arc rail is provided with central grouping district rail in the door, central grouping district rail inner zone is central grouping management area, central grouping district rail has been seted up the grouping entry, be open-air group passageway of changeing between central grouping district rail and the arc rail, adjacent electrical heating trough, be provided with a clear excrement passageway between the colony house grouping jube.
The bottom floor bell-shaped building roof is divided into an inner part and an outer part, a gap is arranged between the inner part and the outer part, the inner bottom bell-shaped building roof is high at the outer side and low at the inner side, and the outer bottom bell-shaped building roof is high at the inner side and low at the outer side.
The middle-layer bell-shaped building roof is divided into an inner part and an outer part, a gap is reserved between the inner part and the outer part, the inner middle-layer bell-shaped building roof is high at the outer side and low at the inner side, and the outer middle-layer bell-shaped building roof is high at the inner side and low at the outer side.
The top-layer bell-shaped building roof is divided into an inner part and an outer part which are fixedly connected, the inner top-layer bell-shaped building roof is high at the outer side and low at the inner side, and the outer top-layer bell-shaped building roof is high at the inner side and low at the outer side.
The annular cattle shed structure is adopted, the traditional square cattle shed is changed, the annular feeding channel arranged between the flower bed and the outer feeding neck clamp is placed in the open position in the annular cattle shed, so that the moving area of cattle in the shed can be greatly increased, the effective utilization area of the cattle shed is increased, an open-air group transfer channel and a central group division management area are designed in the open position in the middle of the annular cattle shed, the cattle groups in each cattle moving area are conveniently managed, the cattle are raised in the cattle moving areas, the traditional tether feeding mode is changed, the cattle groups are conveniently managed, the moving space of the cattle is larger, the cattle can lie down conveniently, compared with the traditional rectangular cattle shed building, the annular cattle shed building has no shed space, the land utilization rate of a cattle farm is higher, and the management is convenient; when cow dung needs to be cleaned, the cattle group in the circle fence area is transported to a central grouping management area one by one, then the circle fence area is cleaned and collected, the pollution to the surrounding environment is avoided, the operation is simple and convenient, meanwhile, the excrement in a cow house is cleaned in time, the living environment of cattle can be effectively improved, the central grouping management area can group the cattle, the cattle group is driven to the central grouping management area, then the cattle with different sizes in the central grouping management area are driven to different circle fence areas, the grouping of the cattle is completed, the cattle group can be weighed by an automatic weighing device of the central grouping management area, the cattle group can be weighed regularly, most of weighing methods adopt traditional weighing to drive the cattle into a weighing cage and then weigh, the stress of the traditional weighing method on the cattle is very large, the appetite of the cattle can be influenced after weighing, and the growth of the cattle can be further influenced, the weighing method can weigh the whole cattle group by driving the cattle group into the central grouping management area through the open-air group transfer channel, the stress to the cattle is small, and the device can enable a breeder to know the growth condition of the cattle in time and make relevant measures according to actual conditions.
Drawings
Fig. 1 is a schematic view of the annular cowshed body of the invention.
FIG. 2 is a schematic diagram of the feeding structure of the invention.
FIG. 3 is a top view of the feeding structure of the invention.
Detailed Description
Example 1, as shown in fig. 1 to 3, an annular cowshed comprises an annular cowshed body and feeding facility equipment arranged in the body. The annular cowshed body adopts a three-layer bell-type building structure with double slopes, and comprises structural upright columns 17, a bottom-layer bell-type building roof 18, a middle-layer bell-type building roof 20, a top-layer bell-type building roof 22, lower-layer ventilation opening structural columns 19 and upper-layer ventilation opening structural columns 21. All the roofs are symmetrically arranged along the ridge in a double-slope mode. The upper part of the structural upright post 17 is provided with a bottom-layer bell-shaped floor surface 18, an intermediate-layer bell-shaped floor surface 20 and a top-layer bell-shaped floor surface 22, a lower-layer ventilation opening structural column 19 is arranged between the bottom-layer bell-shaped floor surface 18 and the intermediate-layer bell-shaped floor surface 20, an upper-layer ventilation opening structural column 21 is arranged between the intermediate-layer bell-shaped floor surface 20 and the top-layer bell-shaped floor surface 22, the bottom-layer bell-shaped floor surface 18 is positioned below the intermediate-layer bell-shaped floor surface 20, the intermediate-layer bell-shaped floor surface 20 is positioned below the top-layer bell-shaped floor surface 22, a certain height is staggered between the bottom-layer bell-shaped floor surface 18 and the intermediate-layer bell-shaped floor surface 20. The three-layer bell-type double-slope roof structure is adopted, so that the sufficient air outlet area of the cowshed roof is ensured, the heat in the cowshed is rapidly discharged out of the cowshed, a pure natural ventilation mode is realized, and energy conservation is realized on the basis of building a good warm environment in the cowshed. The bar-shaped lighting strips 13 are arranged on the bottom-layer bell building roof 18 and the middle-layer bell building roof 20 at certain intervals, so that the natural illumination effect of the cowshed in the daytime is improved.
The feeding facility equipment comprises an external feeding neck clamp 1, an internal feeding neck clamp 11, an arc-shaped fence 16, a circle fence door, a circle fence group partition 15, an electric heating drinking trough 2, an annular feeding channel 6, an internal feeding channel 14, a rotary channel 5, a flower bed 4, a circle fence ground 7, a central group management area 9, a central group area fence 3, a feces clearing channel 12 and an open-air group turning channel 8; the external feeding neck clamp 1 and the internal feeding neck clamp 11 are preferably grazing wind MZF-NJJ feeding neck clamps, and the electrically heated drinking trough 2 is preferably L4000W 608H 708 electrically heated drinking trough manufactured by Ningbo Poison rotational moulding die Limited.
Annular feeding channel 6 is located the open-air region of cowshed outer loop side, and this can effectively increase the interior ox crowd activity area of house, reduces the building of unit ox and puts into operation the cost. Feeding passageway 14 in setting up a plurality of along annular radial direction, respectively set up in feeding passageway 14 both sides including and adopt the food neck to press from both sides 11 in one row, this can increase the ingestion position of flocks of cattle, reduce the ingestion competition to with the cowshed divide into a plurality of feeding region, be convenient for carry out the segmentation management according to the different growth stages of flocks of cattle.
An electric heating drinking trough 2 and a circle division fence 15 are arranged at the center of each fan-shaped annular area along the radius direction and are divided into two management groups, so that the cattle group can be finely managed in the same stage. The two groups of cattle share one row of electric heating drinking troughs 2, so that the equipment investment can be saved, the growth and the activity of the micro-life in the rumen of the cattle can be promoted by drinking hot water, and the feed conversion rate is improved.
A central group management area 9 is provided in the open air area inside the ring-shaped cowshed. For convenience of management, an open air group transfer passage 8 is formed between the central grouping area fence 3 and the arc-shaped fence 16. The central cluster management area 9 is closed by a central cluster area fence 3 to prevent the cluster cattle from running around, and an entrance 10 of the central cluster management area 9 is provided on one side of the central cluster area fence 3. An electronic weighing device is arranged in the central grouping management area 9, the electronic weighing device is preferably a Mettler-Torluo PFA 779C-SCS electronic platform scale, and can weigh the cattle, observe the growth condition of the cattle and help to know the income effect of the cattle in time.
And (3) laying a padding on the circle column ground 7, wherein the type of the padding is determined according to byproducts such as local agricultural straws and the like. The smashed cattle is laid on the ground, so that a soft lying bed surface can be provided for cattle flocks, the limb damage is reduced, the animal welfare is improved, the excrement and urine of the cattle flocks can be absorbed, no sewage is generated in the whole area, the odor emission is reduced, and the clean production is realized. In order to ensure a good sanitary environment of the cowshed ground, new padding needs to be added periodically, and the vehicles directly throw the new padding into each circle column through the annular feeding channel 6. In addition, all padding in the circle column needs to be removed thoroughly and laid with new padding regularly after group turning or in wet seasons, so that a good sanitary environment is guaranteed. When the bag is completely cleared, the ring frame door at the arc-shaped fence 16 can be opened, the cattle group in the ring frame can be driven to the open central grouping management area 9, and the padding can be collected by a forklift and the like and can be pulled away by a vehicle from the ring frame door at the arc-shaped fence 16. In order to realize the separation of the sewage purification channels and reduce the pollution of the dung cleaning vehicle to the feed channel and the feed, a dung cleaning channel 12 is specially arranged along the radius direction of the annular cowshed. The dung cleaning channel 12 is not only a walking dung cleaning vehicle, but also all vehicles such as cattle carrying vehicles and the like can pass through.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides an annular cowshed, includes annular cowshed body, this internal facility equipment of raising that is provided with of annular cowshed, its characterized in that: the annular cowshed body is a three-layer clockwork type double-slope building structure and comprises structural upright posts, a bottom-layer clockwork roof, a middle-layer clockwork roof and a top-layer clockwork roof, the structure comprises a lower vent structure column and an upper vent structure column, wherein the upper part of the structure column is provided with a bottom bell building roof, an intermediate bell building roof and a top bell building roof, the lower vent structure column is arranged between the bottom bell building roof and the intermediate bell building roof, the upper vent structure column is arranged between the intermediate bell building roof and the top bell building roof, the bottom bell building roof is positioned below the intermediate bell building roof, the intermediate bell building roof is positioned below the top bell building roof, a lower roof vent is formed between the bottom bell building roof and the intermediate bell building roof, an upper roof vent is formed between the intermediate bell building roof and the top bell building roof, and strip-shaped lighting strips are arranged on the bottom bell building roof and the intermediate bell building roof.
2. The annular cowshed of claim 1, wherein: the feeding mechanism comprises an outer feeding neck clamp, an inner feeding neck clamp, an arc-shaped fence, a circle fence door, a colony grouping jube, an electric heating drinking trough, an annular feeding channel, an inner feeding channel, a rotary channel, a flower bed, a circle fence ground, a central grouping management area, a central grouping area fence, a feces cleaning channel and an open-air group turning channel, wherein a flower bed is arranged outside the outer feeding neck clamp, the annular feeding channel is arranged between the outer feeding neck clamp and the flower bed, the rotary channel is arranged outside the flower bed, a plurality of through holes are formed in the outer feeding neck clamp, the inner feeding neck clamp is arranged at the position adjacent to the outer feeding neck clamp, the inner feeding channel is formed between the adjacent inner feeding neck clamps at the position of the through hole of the outer feeding neck clamp, the arc-shaped fence is arranged at the other end of the inner feeding neck clamp, the circle fence door is arranged on the arc-shaped fence, and the area enclosed by the outer feeding neck clamp, the inner feeding neck clamp and the arc-shaped fence, arc rail and outer feeding neck are pressed from both sides and are provided with electrical heating trough and colony house grouping jube between the way, electrical heating trough and colony house grouping jube fixed connection, arc rail is provided with central grouping district rail in the door, central grouping district rail inner zone is central grouping management area, central grouping district rail has been seted up the grouping entry, be open-air group passageway of changeing between central grouping district rail and the arc rail, adjacent electrical heating trough, be provided with a clear excrement passageway between the colony house grouping jube.
3. The annular cowshed of claim 1, wherein: the bottom floor bell-shaped building roof is divided into an inner part and an outer part, a gap is arranged between the inner part and the outer part, the inner bottom bell-shaped building roof is high at the outer side and low at the inner side, and the outer bottom bell-shaped building roof is high at the inner side and low at the outer side.
4. The annular cowshed of claim 1, wherein: the middle-layer bell-shaped building roof is divided into an inner part and an outer part, a gap is reserved between the inner part and the outer part, the inner middle-layer bell-shaped building roof is high at the outer side and low at the inner side, and the outer middle-layer bell-shaped building roof is high at the inner side and low at the outer side.
5. The annular cowshed of claim 1, wherein: the top-layer bell-shaped building roof is divided into an inner part and an outer part which are fixedly connected, the inner top-layer bell-shaped building roof is high at the outer side and low at the inner side, and the outer top-layer bell-shaped building roof is high at the inner side and low at the outer side.
CN201910879086.2A 2019-09-18 2019-09-18 Annular cowshed Pending CN110720396A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910879086.2A CN110720396A (en) 2019-09-18 2019-09-18 Annular cowshed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910879086.2A CN110720396A (en) 2019-09-18 2019-09-18 Annular cowshed

Publications (1)

Publication Number Publication Date
CN110720396A true CN110720396A (en) 2020-01-24

Family

ID=69219154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910879086.2A Pending CN110720396A (en) 2019-09-18 2019-09-18 Annular cowshed

Country Status (1)

Country Link
CN (1) CN110720396A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111066674A (en) * 2020-03-11 2020-04-28 吉丽雄 Automatic feeding system of animal networking environmental monitoring and data identification formula

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1493330A2 (en) * 2002-06-29 2005-01-05 Simpson & Allinson Limited Agricultural building
CN2701257Y (en) * 2004-03-15 2005-05-25 北京中博农畜牧科技有限公司 Novel cattle shed
CN107581095A (en) * 2017-10-16 2018-01-16 江苏省家禽科学研究所 A kind of flat foster equipment of birds automation net bed formula and flat foster management method
CN210538020U (en) * 2019-09-18 2020-05-19 河南牧业经济学院 Annular cowshed

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1493330A2 (en) * 2002-06-29 2005-01-05 Simpson & Allinson Limited Agricultural building
CN2701257Y (en) * 2004-03-15 2005-05-25 北京中博农畜牧科技有限公司 Novel cattle shed
CN107581095A (en) * 2017-10-16 2018-01-16 江苏省家禽科学研究所 A kind of flat foster equipment of birds automation net bed formula and flat foster management method
CN210538020U (en) * 2019-09-18 2020-05-19 河南牧业经济学院 Annular cowshed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111066674A (en) * 2020-03-11 2020-04-28 吉丽雄 Automatic feeding system of animal networking environmental monitoring and data identification formula

Similar Documents

Publication Publication Date Title
KR101733559B1 (en) Stable system using the energy from animal waste circulation
CN104351071B (en) Standard growing and fattening pig house
CN203884370U (en) Three-dimensional industrialized livestock raising park
CN207151534U (en) A kind of single-column type carries the fermentation bed piggery of air hole
CN204362722U (en) A kind of standardization growing and fattening pig house
CN101253853A (en) Breeding method cleaning pig disease 60system small unit
CN103875539B (en) Auto-control formula sheepfold
CN111685079A (en) Healthy ecological cattle raising method
CN210538020U (en) Annular cowshed
CN201657675U (en) Dairy cow colony house
CN110720396A (en) Annular cowshed
CN203827840U (en) Automatic adjustment and control type sheepfold
CN101288383A (en) Deformation technique
CN108812334A (en) A kind of multilayer pig house with feeding device
CN203378400U (en) Novel henhouse for free-ranging laying hens
CN205511413U (en) Ecological cow breeding big -arch shelter
CN202565917U (en) Novel pig breeding house
CN201430828Y (en) Rabbit high-effective breeding pot
CN108719103A (en) One boar feeding device
CN211931982U (en) Drinking water equipment for poultry
CN210247865U (en) Three-dimensional farming shed
CN204259585U (en) A kind of pig house of energy-saving and environmental protecting
CN111387063A (en) Modernization sheep farm of breeding
CN207653239U (en) Do not intersect short coprodaecum robot and removes excrement large area pig house
CN205865490U (en) Pen

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination