CN106070011B - Mixed breeding method for breeding boars - Google Patents
Mixed breeding method for breeding boars Download PDFInfo
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- CN106070011B CN106070011B CN201610424472.9A CN201610424472A CN106070011B CN 106070011 B CN106070011 B CN 106070011B CN 201610424472 A CN201610424472 A CN 201610424472A CN 106070011 B CN106070011 B CN 106070011B
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- 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
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
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- 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
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
- A01K1/03—Housing for domestic or laboratory animals
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- 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
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
- A01K1/035—Devices for use in keeping domestic animals, e.g. fittings in housings or dog beds
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Abstract
The invention provides a breeding boar mixed feeding method and equipment, wherein breeding boars obtained by screening are placed in a colony house for captive breeding, mixed feed is fed in the captive breeding process, and the breeding boars are driven to a runway to move and sun-shine in turn every week; after the boars are raised in captivity for half a month, moving the boars to a limiting fence for limiting feeding, feeding the boars with mixed feed in the limiting feeding process, and driving the boars to a runway for movement and sunning the boars in sequence every week; the breeding boars are raised in the way of combining captive breeding, limited breeding and outdoor sports tracks, the breeding boars are raised in the way of maintaining carelessness after being raised in the way of limited breeding for half a month, the breeding boars are raised in the way of captive breeding after being maintained in the way of limited breeding for half a month, the amount of exercise can be increased while enjoying freedom as much as possible, outdoor sports of each week can enjoy sunlight, the resistance of the boars is greatly enhanced, the semen quality of the boars can be effectively improved, and the service life of the boars is prolonged.
Description
Technical Field
The invention relates to the technical field of livestock feeding, in particular to a breeding boar mixed feeding method and equipment.
Background
At present, breeding of domestic breeding boars is generally divided into two types, ⑴ breeding and feeding with different land occupation of 4-8 square meters for each boar ⑵ breeding at a limited position, wherein each boar occupies 1.5-2 square meters, a few boar sports tracks are arranged in a part of pig farms, and the breeding method is single.
If the application number is: 201210465840.6 discloses a method for raising seafood pigs, which comprises constructing a piggery in a piggery on a slope of the sea, connecting the slope with a shoal, allowing the pigs to enter the shoal for feeding after getting rid of the tide, feeding the black piggery with 30-40 kg weight after castration, feeding the black piggery with conventional epidemic prevention measures after the purchased piggery returns, and raising the piggery for 8-10 days. The breeding method is characterized in that the breeding method comprises the steps of feeding the feed in the morning, stocking the feed until the sea in the daytime fades, finding small fishes and shrimps which cannot timely swim back to the sea after the big fishes and shrimps on the beach fades, wherein the hunch is the astrology of the pigs, storing a plurality of small snail small crabs below the surface layer of the beach, finding the pigs in a hunch mode, supplementing protein, and moving in the hunch process. Feeding the pigs which return to the piggery after foraging for one day in the evening with the same amount of rice bran, and thus obtaining the pigs after feeding for 200-300 days. The breeding method combines captive breeding and stocking, the seafood pigs are always in a relatively free state without good dynamic and static combination, the physical constitution of the seafood pigs is greatly influenced, the selected positions for breeding the seafood pigs are relatively limited, the movement of the seafood pigs on the beach is not easy to control, and the time and the labor are wasted when the seafood pigs are driven back to the pig house in the evening.
If the application number is as follows: 201410517851.3 discloses a breeding boar feeding method, which comprises the following steps: opening a pigsty door of one pigsty to enable breeding boars in the pigsty to enter the conveying belt from the pigsty, and not opening pigsty doors of other pigsties; the breeding boar is close to the feed basin along the conveyor belt, the feeder is used for filling feed into the feed basin or manually filling feed into the feed basin to suck the breeding boar to eat, and meanwhile, the gate is closed; unlocking a locking component of the whipping device to move the whipping device, wherein the whipping device is pressed against the buttocks of the breeding boar and moves along with the movement of the breeding boar; after the breeding boars finish feeding, the breeding boars are returned to the piggery; the whipping device returns to the initial position and is fixed; the feed basin returns to the initial position to complete the running exercise of one breeding boar. The conveyer belt is started, the breeding boar is moved backwards to the gate opening of the gate of the ring of the breeding boar, the movable whipping device is moved to the rear of the conveyer belt under the action of the breeding boar, then the movable feed basin is also moved to the rear of the conveyer belt and is moved to the outer side of the gate of the ring, and the breeding boar is limited to the gate opening of the ring where the breeding boar is located by the movable feed basin and the movable whipping device. After the breeding boar is limited at the self pigsty, the pigsty is opened, and the whipping device is started to drive the breeding boar into the pigsty. The breeding boar breeding method mainly comprises the steps of breeding and moving the breeding boars through the conveying belt, driving the breeding boars through the mechanical whipping device, enabling the breeding boars to move only on the conveying belt, enabling the conveying belt to be narrow and not long enough, enabling the breeding boars not to enjoy freedom and sunlight, and greatly affecting the semen quality and the service life of the breeding boars.
Disclosure of Invention
The invention provides a breeding boar mixed feeding method and equipment, aiming at solving the problems of low semen quality and short service life of breeding boars caused by the fact that breeding boars cannot be dynamically and statically combined in the breeding process in the prior art.
The specific technical scheme of the invention is as follows: a mixed feeding method of breeding boars,
step 1: placing the screened breeding boars in a colony house for captive breeding, feeding the breeding boars with mixed feed in the captive breeding process, and driving the breeding boars to the runway to move in sequence every several days;
step 2: moving the breeding boars to a limiting fence for limiting feeding, feeding mixed feed in the limiting feeding process, and driving the breeding boars to the runway to move in sequence every several days;
and step 3: and (4) moving the breeding boars to a colony house, and repeating the step (1) and the step (2) to feed the breeding boars.
On the basis, the breeding boar is placed in the colony house for captive breeding in the step 1 for half a month.
On the basis, the time for moving the breeding boars to the limiting fence for limiting feeding in the step 2 is half a month.
On the basis of the above, the frequency of driving the breeding boar to the runway in the step 1 and the step 2 is once a week.
On the basis, the time for the breeding boars to move on the runway in the step 1 and the step 2 is 30-60 minutes.
The invention also provides mixed feeding equipment for the breeding boars, which comprises a plurality of colony houses, a plurality of limiting fences, a channel and an outdoor sports track, wherein the colony houses and the limiting fences are oppositely arranged, the channel is arranged between the colony houses and the limiting fences, an inlet and an outlet are arranged at the positions corresponding to the colony houses and the limiting fences, the channel is connected with the outdoor sports track, and only one bidirectional door is arranged.
On the basis, the number of the colony houses is 11, the number of the limiting fences is 11, the colony houses and the limiting fences are all formed by welding steel pipes, the size of each colony house is 2.5 × 3.5.5 m, the size of each limiting fence is 0.75 × 2.5.5 m, and each colony house and each limiting fence are used for feeding one breeding boar.
On this basis, the colony house is the entity terrace with the ground of farrowing crate combines together with the floor that leaks, and one-third is the entity terrace, and two-thirds is the floor that leaks.
On the basis, the outdoor sports track comprises a plurality of inner tracks and an outer track, the outer track is arranged on the outer side of one end of each inner track, the inner tracks are connected end to end through the outer track to form a circulating track, a first inner track is connected with a channel in each inner track, the outdoor sports track is 200 meters in length, and the inner track and the outer track are 0.6 meters in width and 1.2 meters in height.
On this basis, the two-way door includes door body and fixed plate, the fixed plate is fixed to be set up in the outside of first runway and links to each other with the passageway, one side of door body is articulated with the inboard of first interior runway, the opposite side of door body links to each other with the fixed plate, the fixed plate includes left fixed plate and right fixed plate, left side fixed plate sets up with right fixed plate relatively, and the contained angle that left side fixed plate and right fixed plate place extension line constitute is the acute angle.
Compared with the prior art, the invention has the beneficial effects that:
1. the mixed breeding method of the breeding boars comprises the steps of placing the screened breeding boars in a colony house for captive breeding, and driving the breeding boars to a runway in sequence every week for movement; after the boars are raised in captivity for half a month, the boars are moved to a limit fence for limiting raising for half a month, and the boars are driven to the runway to move in turn every week. The breeding boars are bred by the method combining the captive breeding, the limited breeding and the outdoor sports track, the breeding boars are bred in the captive breeding after the wild breeding for half a month for carefree maintenance, the amount of exercise can be increased while the breeding boars enjoy freedom as much as possible, the outdoor sports once every week can not only exercise but also enjoy the sunlight, the resistance of the boars is greatly enhanced, the boar semen quality can be effectively improved, and the service life of the boars is prolonged.
2. The invention also provides hybrid feeding equipment for breeding boars, which comprises a plurality of colony houses, a plurality of limiting fences, a channel and an outdoor sports track, wherein the colony houses and the limiting fences are oppositely arranged, the channel is arranged between the colony houses and the limiting fences, an inlet and an outlet are arranged at the positions corresponding to the colony houses and the limiting fences, the channel is connected with the outdoor sports track, and only one bidirectional door is arranged. The pigsty, the limit fence and the runway are connected, so that the hybrid feeding of the breeding boars is facilitated, the living requirements of the breeding boars in the feeding process are met, and the pigsty is more scientific and humanized. In addition, a door which can be opened positively and negatively is ingeniously designed at the entrance and exit, when a boar needs to enter, the door is opened to lean against the boar on one side to enter the boar, when the boar comes out, the door is pulled to the other side to come out, and the boar entrance and exit door is convenient and practical.
3. The ground of the colony house and the ground of the limiting fence are both solid terraces and hollow floors, wherein one third of the solid terraces is the solid terraces, two thirds of the hollow floors are the hollow floors, the solid terraces and the hollow floors are combined, the cleaning is easy, the sanitation and cleanness are achieved, and the feeding cost is reduced.
4. The outdoor sports track is provided with an outdoor track, the track comprises a plurality of inner tracks and an outer track, the outer track is arranged on the outer side of one end of the inner track, the inner tracks are connected end to end through the outer track to form a circulating track, the first inner track is connected with a channel in the inner track, the outdoor sports track is 200 meters in total, and the inner track and the outer track are 0.6 meter wide and 1.2 meters high. The runway is a circulating runway, is beneficial to the movement of breeding boars, saves land and cost, and is convenient for feeding and management.
Drawings
FIG. 1 is a schematic flow chart of a method for mixed feeding of breeder boars;
FIG. 2 is a schematic plan view of a facility for the mixed rearing of breeding boars.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention discloses a breeding boar mixed feeding method, as shown in figure 1,
step 1: placing the screened breeding boars in a colony house 1 for colony breeding, feeding mixed feed in the process of colony breeding, and driving the breeding boars to a runway for movement in sequence every few days; all the boars can be driven to the runway for movement at the same time or in batches, but each boar is ensured to move on the outdoor movement runway 4 at least once in one week. Preferably, the breeding boars are kept in the housing 1 for half a month and are driven to the outdoor sports track 4 for sports and sunrise once a week during the half month;
step 2: after the boars are raised in captivity for half a month, moving the boars to a limiting fence 2 for limiting feeding, feeding mixed feed in the limiting feeding process, and driving the boars to the runway for movement in sequence every few days; preferably, the boar is moved to the stop fence 2 for the half-month feeding, and the boar is exercised once a week.
And step 3: after limited feeding for a period of time, the breeding boars are moved to a colony house 1, and the step 1 and the step 2 are repeated to feed the breeding boars. The breeding boars are preferably fed once in half a month, the breeding boars are required to be driven to the outdoor movement runway 4 every week during the captive breeding and the limited feeding period, the frequency of the outdoor movement orbit movement is not fixed, and the breeding boars are arranged according to the weather condition and the self condition of the breeding boars but at least once every week. The runway is designed in the open air, warm sunlight exists, the breeding boars can run to the inside to move and shine the sun, preferably, the time for the breeding boars to move on the runway is 30-60 minutes, more preferably, the time for the breeding boars to move and shine the sun is 45 minutes, and during the time, the breeding boars can fully enjoy the sunlight and freely walk to move. The breeding boars are bred by the method combining captive breeding, limited breeding and outdoor movement, the breeding boars are bred in the captive breeding after the wild breeding for half a month for carefree maintenance, the amount of exercise can be increased while the breeding boars enjoy freedom as much as possible, the outdoor movement of one time per week can exercise and enjoy sunlight, the resistance of the boars is greatly enhanced, the boar semen quality can be effectively improved, and the service life of the boars is prolonged.
Compared with the breeding boar only fed in captivity or in a limited mode, the breeding boar fed by the mixed feeding method combining captive breeding, limited feeding and outdoor movement effectively enhances the resistance of the breeding boar, improves the semen quality by 20 percent (particularly the activity of sperms), and prolongs the service life of the breeding boar by 25-35 percent. Wherein the motility rate of sperm, namely the percentage of sperm which moves linearly in a microscope field, is carried out according to a ten-grade grading method of 0.1-1.0. As shown in tables 1 and 2, the data of the same number of breeding boars counted by different feeding methods are shown, wherein the data are collected at the same date and all fed the same mixed feed.
TABLE 1
| Measurement items | Captive breeding | Limiting feeding | Mixed breeding |
| Sperm production (Yi/ml) | ≥1.5 | ≥1.3 | ≥2 |
| Motility rate of sperm | Grade not less than 0.7 | Grade not less than 0.6 | Not less than 0.8 grade |
| Survival rate of farrowing | 75％ | 70％ | 85％ |
| Service life (year) | 3.0 | 2.5 | 3.5 |
The present invention also discloses a hybrid feeding device for breeding boars, as shown in fig. 2, comprising a plurality of huts 1, a plurality of position-limiting fences 2, a passageway 3 and an outdoor movement track 4, wherein the plurality of huts 1 are aligned in a row, the plurality of position-limiting fences 2 are aligned in a row, the huts 1 are disposed opposite to the position-limiting fences 2, the passageway 3 is disposed between the huts 1 and the position-limiting fences 2, the passageway 3 is common to the position-limiting fences 2, the passageway 3 is disposed at a position corresponding to each of the huts 1 and the position-limiting fences 2, as shown in fig. 2, the passageway 1 is disposed adjacent to the position-limiting fence 1 except for the exit of the first hut 1, the other huts 1, the passageway 3 is connected to the outdoor movement track 4, and only one bidirectional door 5 is disposed, the bidirectional door is made of the same material as the hut door, a galvanized steel pipe outer frame 20, the dimension is 1.0 × 1.2.2 (width × height), the middle fence has a pitch of 10 a dimension of 1.2, a width is 10, a width of a left side, a left side of a left buckle 522, a right side of a left buckle 522, a right buckle is disposed at a left buckle, a right side of a right buckle, a right buckle is disposed corresponding buckle, a right buckle is disposed in a right buckle, a right side of a right buckle, a right side of a right buckle 522 is disposed in a right buckle, a right side of a right buckle is disposed in a right buckle, a right buckle is disposed in a right buckle, a right buckle.
Preferably, in the embodiment, the mixed feeding device is further provided with a semen treatment chamber, a semen collection chamber, a to-be-matched chamber and a breeder office, as shown in fig. 2, the breeder office, the semen treatment chamber and the semen collection chamber are sequentially arranged on the left sides of the colony house 1 and the limiting fence 2, and the to-be-matched chamber is arranged on the right sides of the colony house 1 and the limiting fence 2. In addition, the temperature sensor is arranged in the colony house 1, so that the temperature in the colony house 1 can be monitored in real time, compared with the preset temperature, the ventilation and heat preservation equipment is automatically started, and the automatic control is adopted, so that the operation is simple, convenient, time-saving and labor-saving. The pigsty 1, the limit fence 2 and the runway are connected, so that the hybrid feeding of the breeding boars is facilitated, the living requirements of the breeding boars in the feeding process are met, and the pigsty is more scientific and humanized. In addition, a door which can be opened positively and negatively is ingeniously designed at the entrance and exit, when a boar needs to enter, the door is opened to lean against the boar on one side to enter the boar, when the boar comes out, the door is pulled to the other side to come out, and the boar entrance and exit door is convenient and practical.
Preferably, 11 colony houses 1 are arranged, 11 spacing fences 2 are arranged, the colony houses 1 and the spacing fences 2 are formed by welding steel pipes, preferably, the size of each colony house 1 is 2.5 × 3.5.5 meters, the total area is 8.75 square meters, the size of each spacing fence 2 is 0.75 × 2.5.5 meters, the total area is 1.875 square meters, each colony house 1 and each spacing fence 2 are used for feeding only one breeding boar, and 22 breeding boars can be fed in total.
Preferably, the ground of colony house 1 and farrowing crate 2 is entity terrace and leaks empty floor and combines together, and one-third is the entity terrace, and two-thirds is leaking empty floor. The solid terrace is combined with the hollow floor, is easy to clean, is sanitary and clean, and reduces the feeding cost.
As shown in fig. 2, the outdoor sports track 4 includes a plurality of inner tracks 41 and an outer track 42, the outer track 42 is disposed outside one end of the inner track 41, the plurality of inner tracks 41 are connected end to end through the outer track 42 to form a circulation track, a first inner track 411 is connected to the passage 3 in the inner track 41, the outdoor sports track 4 is 200 meters long, and both the inner track 41 and the outer track 42 are 0.6 meter wide and 1.2 meters high. As shown in fig. 2, the arrow indicates the moving direction of the breeding boar, and the breeding boar starts from the colony house 1 or the stop bar 2, enters the outdoor moving track 4 through the two-way door 5 to move in an S-shaped route, finally enters the first inner track 411 through the outer track 42 to enter the passageway 3 and return to the colony house 1 or the stop bar 2. The runway is a circulating runway, is beneficial to the movement of breeding boars, saves land and cost, and is convenient for feeding and management. Preferably, no driving device is arranged in the inner runway 41 at a distance of 5-10 m to drive the breeding boar to move forward, and preferably, the driving device can be a whip rope or can be a sound absorbing device to attract the breeding boar to move forward. The actuation means may be connected to a controller by which a particular actuation means may be activated. As shown in fig. 2, the outdoor sports track 4 is oval, and the shadow part is green, so that the environment of the outdoor sports track 4 is beautified, original ecological food can be provided for the breeding boar to eat, the amount of exercise of the breeding boar and the amount of exercise for foraging are increased, and the body of the boar is stronger and healthier. In the daily feeding management of a pig farm, reasonable and effective movement can promote the appetite and digestion of boars, strengthen physique, avoid obesity, improve the weight-balancing capacity and ensure the quality of semen.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A mixed breeding method of breeding boars is characterized in that:
step 1: placing the screened breeding boars in a colony house (1) for captive breeding, feeding mixed feed in the captive breeding process, driving the breeding boars to a runway in sequence every several days for movement, and driving all the breeding boars to the runway for movement simultaneously or in batches, wherein the runway is an outdoor movement runway (4), the outdoor movement runway (4) is an elliptical circulation runway, and the breeding boars enter the outdoor movement runway (4) to move in an S-shaped route;
step 2: moving the breeding boars to a limiting fence (2) for limiting feeding, feeding mixed feed in the limiting feeding process, and driving the breeding boars to the runway to move in sequence every several days;
and step 3: then the breeding boars are moved to a colony house (1), and the breeding boars are fed by repeating the step 1 and the step 2; the device used in the boar mixed feeding method comprises a plurality of colony houses (1), a plurality of limiting fences (2), a channel (3) and an outdoor movement track (4), wherein the colony houses (1) and the limiting fences (2) are arranged oppositely, the channel (3) is arranged between the colony houses (1) and the limiting fences (2), the channel (3) is connected with the outdoor movement track (4) and is only provided with one bidirectional door (5), the bidirectional door (5) comprises a door body (51) and a fixing plate, the fixing plate comprises a left fixing plate (521) and a right fixing plate (522), hasps are arranged on the front and back surfaces of the door body (51) of the bidirectional door (5), convex buckles are arranged on the corresponding left fixing plate (521) and the right fixing plate (522), the door body (51) of the bidirectional door (5) is connected with the convex buckles of the left fixing plate (521) and the right fixing plate (522) through the hasps, magnets with the polarity of N are arranged on the front surface and the rear surface of the door body (51), magnets with the polarity of S are arranged on the inner surfaces of the left fixing plate (521) and the right fixing plate (522) and at the positions corresponding to the door body (51), photoelectric sensors are arranged above the left fixing plate (521), a chain winding device is arranged at the lower end of the door body (51), the chain winding device is connected with a motor, the motor drives the chain winding device to rotate the door body (51) to the right fixing plate (522) clockwise and attract the right fixing plate (522), when a boar is not detected by the photoelectric sensors at the left fixing plate (521), the motor is turned off, the chain winding device is released, and the door body (51) rotates to the left fixing plate (521) anticlockwise and attracts and fixes the left fixing plate (521);
the outdoor sports track (4) comprises a plurality of inner tracks (41) and an outer track (42), the outer track (42) is arranged on the outer side of one end of each inner track (41), and the inner tracks (41) are connected end to end through the outer track (42) to form a circulating track;
an actuating device is arranged in the inner runway (41) at each distance of 5-10 m to drive the breeding boars to move forward, and the actuating device is a whip rope or a certain sound to attract the breeding boars to move forward; the driving device is connected with the controller, and the driving device is started through the controller.
2. The method of claim 1, wherein the method comprises the steps of: in the step 1, the breeding boars are placed in the colony house (1) for half a month for captive breeding.
3. The method of claim 1, wherein the method comprises the steps of: in the step 2, the boar is moved to the limit fence (2) for limited feeding for half a month.
4. The method of claim 1, wherein the method comprises the steps of: the frequency of driving the breeding boars to the runway in the step 1 and the step 2 is once a week.
5. The method of claim 4, wherein the method comprises the steps of: the time for the breeding boar to move on the runway in the step 1 and the step 2 is 30-60 minutes.
6. The method of claim 1, wherein the method comprises the steps of: and the channel (3) is provided with an inlet and an outlet at the corresponding positions of each colony house (1) and each limit fence (2).
7. The mixed feeding method of boars according to claim 6, wherein the number of the piggeries is 11, the number of the position-limiting fences (2) is 11, the piggeries (1) and the position-limiting fences are all formed by welding steel pipes, the size of each piggery (1) is 2.5 × 3.5.5 m, the size of each position-limiting fence (2) is 0.75 × 2.5.5 m, and each piggery (1) and each position-limiting fence (2) only feed one boar.
8. The method of claim 7, wherein the method comprises the steps of: the ground of colony house (1) and faring (2) is entity terrace and leaks empty floor and combines together, and one-third is the entity terrace, and two-thirds is leaking empty floor.
9. The method of claim 6, wherein the method comprises the steps of: the inner runway (41) is connected with the channel (3) and is a first inner runway (411), the outdoor sports runway (4) is 200 m long, and the inner runway (41) and the outer runway (42) are 0.6 m wide and 1.2 m high.
10. The method of claim 6, wherein the method comprises the steps of: the fixed plate is fixedly arranged on the outer side of the first runway and connected with the channel (3), one side of the door body (51) is hinged to the inner side of the first inner runway (411), the other side of the door body (51) is connected with the fixed plate, the left fixed plate (521) and the right fixed plate (522) are arranged oppositely, and an included angle formed by extension lines of the left fixed plate (521) and the right fixed plate (522) is an acute angle.
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| CN113142130B (en) * | 2021-03-12 | 2022-11-04 | 山东融发生物科技开发有限公司 | Disease-resistant pig breeding method |
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