CN110024745B - Modern sterile cultivation method for green healthy pigs - Google Patents
Modern sterile cultivation method for green healthy pigs Download PDFInfo
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- 241000282887 Suidae Species 0.000 title claims abstract description 55
- 238000012364 cultivation method Methods 0.000 title claims abstract description 7
- 238000009395 breeding Methods 0.000 claims abstract description 27
- 230000001488 breeding effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 238000005202 decontamination Methods 0.000 claims abstract description 10
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 10
- 238000003958 fumigation Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 230000012173 estrus Effects 0.000 claims description 23
- 235000012054 meals Nutrition 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 230000000474 nursing effect Effects 0.000 claims description 14
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- 230000013011 mating Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 9
- 230000003203 everyday effect Effects 0.000 claims description 9
- 238000009396 hybridization Methods 0.000 claims description 9
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- 210000001015 abdomen Anatomy 0.000 claims description 6
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- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000009027 insemination Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 210000000582 semen Anatomy 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 208000024891 symptom Diseases 0.000 claims description 6
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- 239000003814 drug Substances 0.000 claims description 3
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- 210000003194 forelimb Anatomy 0.000 claims description 3
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- 239000010871 livestock manure Substances 0.000 claims 3
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- 229940079593 drug Drugs 0.000 claims 1
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
A modern aseptic cultivation method of green healthy pigs, comprising the following steps: the preparation before cultivation comprises 1) the construction of a cultivation factory building; 2) The isolation area is provided with a fumigation chamber and a spraying chamber; 3) A bath room is arranged in the decontamination room; (II) cultivation management, including 1) cooperation; 2) Production; 3) Fattening. The invention builds a fully-closed breeding factory, introduces the dans pigs, autotrophies the pigs, cuts off the transmission path of pathogens, strictly controls the paths of workers and production materials, disinfects all individuals possibly carrying the pathogens and then enters a breeding area, realizes aseptic breeding, and regularly carries out conventional immunity, thereby greatly reducing the morbidity and the treatment cost of the pigs and having high breeding economic benefit.
Description
Technical Field
The invention belongs to the technical field of live pig breeding, and particularly relates to a modern sterile breeding method for green healthy pigs.
Background
The green pork is produced according to a specific production mode, does not contain harmful substances or factors for human health, is strictly detected to be qualified by related authorities, is identified and permitted to use by special institutions, is monitored from the whole processes of the environment, pig breeds, feeds, feeding, epidemic prevention, slaughtering, processing, packaging, storing and transporting and selling of live pigs, and is high-quality pork which is nutritional, sanitary and pollution-free. African swine fever is an acute, hemorrhagic and virulent infectious disease caused by infection of domestic pigs and various wild pigs by African swine fever virus, and animal health organizations in the world list the acute, hemorrhagic and virulent infectious disease as legal report animal epidemic diseases, which are animal epidemic situations which are important precautions in China. The traditional pig breeding factory building is simple in structure, is not isolated from the outside, and staff, vehicles and materials flow, so that bacteria are brought in, pigs are easy to infect, the immunity is poor, the morbidity is high, the treatment cost is high, and the death rate is high.
Disclosure of Invention
The invention aims at: aiming at the problems of easy infection of germs, high morbidity and high treatment cost of the live pigs in the existing breeding process, the invention provides a modern sterile breeding method for green healthy pigs.
The technical scheme adopted by the invention is as follows:
a modern aseptic cultivation method of green healthy pigs, comprising the following steps:
first, preparation before cultivation
1) Building a cultivation factory building: the method comprises the steps that an outer zone, an isolation zone, an inner zone and a cultivation zone are sequentially arranged from outside to inside, an inlet of the isolation zone is communicated with the outer zone, an outlet of the isolation zone is communicated with the inner zone, a decontamination room is arranged between the inner zone and the cultivation zone, matched dining rooms and accommodation zones are arranged in the outer zone, the isolation zone and the inner zone, a kitchen is arranged in the outer zone, and a life entertainment zone is arranged in the inner zone; pig houses which are uniformly distributed are arranged in the breeding area, and the pig houses are communicated in a closed manner through a gallery; a slit plate is paved at the bottom of the pig house, and a septic tank is arranged below the slit plate;
2) The isolation area is provided with a fumigation chamber and a spraying chamber: all production materials and baggage carried by staff, including mobile phones, computers and the like, enter a fumigation room to carry out ozone fumigation and ultraviolet disinfection, the staff enter a spraying room to carry out spray disinfection, and after 48 hours, slippers are replaced and enter an inner area;
3) A bath room is arranged in the decontamination room: before entering the cultivation area from the inner area, workers enter the decontamination room for bathing, and the workers are replaced with sterilized and dried work clothes, socks and shoes;
all the wall boards, top boards and the like used in the factory building are made of 304 stainless steel, so that the wall boards, top boards and the like are corrosion-resistant, high in strength and long in service life, and heat-insulating materials are paved on the wall surfaces, so that the wall boards are warm in winter and cool in summer;
(II) cultivation management
1) Chest-fit bag
Introducing a dan-series breeding pig, self-breeding and autotrophic, mixing 1-2 replacement gilts in a single housing of a replacement pig, and timely updating the replacement gilts; back feeding is carried out on a backup sow of 180 days old and pregnant sows of 65-85 days old, the backup sow is back fed 1 time per week and 4 times continuously, and the pregnant sow is back fed 2 times per week;
the backup sow starts to perform oestrus searching work after 175 days, at least 1 oestrus searching and oestrus inducing of the boar are performed every day, and at least 1 oestrus record is provided for the backup sow before formal allocation; preparing 1 boar with 80-100 backup pigs, selecting boars with ages of more than 12 months, and keeping the attracting time of the boars for 10-15 minutes; the day of opening is 230 days or more;
pure seed selection: the same sow uses the same male parent in the same mating period; hybridization and matching: insemination and mating are carried out for multiple times, the same male parent is used each time, and if the same male parent cannot be used, male pig male parents of the same family are adopted; before use, semen should be dispersed and stored in a constant temperature box at 17 ℃ and prepared for mating record; the replacement gilts are subjected to artificial insemination work when standing reflection occurs, are bred again after an interval of 24 hours, are immediately bred under the condition of semen, are bred again after an interval of 24 hours, are bred under the condition of standing reflection, and are bred again after an interval of 24 hours;
the weaned backup sow and the multiprimary sow are fed for 2 times a day during the period from weaning to reassortment, and 2.7-3.6kg of the weaned backup sow and the multiprimary sow are fed each time; the weaned sow is subjected to oestrus inducing when fed from the 1 st day to the 3 rd day after weaning, oestrus searching is performed from the 3 rd day to the 10 th day after weaning, and breeding is performed from the 4 th day to the 7 th day after weaning;
pregnant sows are fed twice daily, on day 0-30, 1.5-3 lbs/meal, on day 31-60, 1.5-3.5 lbs/meal, and fat is adjusted to 3.0-3.5, on day 61-75, 1.8-2.2 lbs/meal, on day 76-90, 1.9-2.4 lbs/meal, on day 91-110, 2.0-2.5 lbs/meal, on day 111-delivery, and no more than 2 lbs/meal;
checking: sow oestrus returning inspection is carried out every day 18-24 days after mating; b ultrasonic inspection is respectively carried out on sows on the 25 th day to the 32 th day after hybridization and sows on the 36 th day to the 42 th day after hybridization;
2) Production of
Before the sow enters the delivery room, the sow is washed, disinfected, checked and maintained, the sow enters the delivery room after being washed, the situations of the pre-delivery period, feeding condition, vulva change and nipple change of the sow are observed, and the preparation work before the delivery is carried out on the sow to be delivered, including sundries cleaning, heat preservation lamp preparation, drying matter, heating plate, delivery receiving tool and medicine and heat stress treatment; the delivery room temperature is 23.3 ℃;
feeding sow 4 times per day after delivery for 1-10 days after delivery, feeding sow 2.5 kg/time in the first day, and increasing 0.5 kg/time per day later; feeding is started on the 10 th day after the birth of the piglets, and the piglets are fed at least 4-7 times;
sow nursing: when the sow is fed, the feeding condition of the sow is observed, and abnormal sow is checked and treated; piglet nursing: when the sow is fed and the piglet is fed, the color and the shape of the excrement of the piglet are observed, and the mental state of the piglet is immediately treated;
3) Fattening
250+/-10 pigs are filled in each room, the boars and the castrated pigs can be mixedly raised, the gilts cannot be mixedly raised with the boars, and the sows are separated according to size; a large fence is left out of every three rooms to serve as a sick pig fence;
temperature: the temperature of the room is regulated by using a heating umbrella, the temperature of the room is maintained at 83.5F on days 1-13, 84F on days 14, 81F on days 25, 77F on days 70, 74F on days 130, and the temperature of a comfort zone around the heating umbrella is 4-5F higher than the temperature of the room;
and (3) ventilation: setting a wind window opening, and observing and determining the size of the wind window opening according to the behaviors of the piglets;
feed: 2 kg/head of creep feed, 6 kg/head of early-stage feed for conservation, and feeding the late-stage feed for conservation to 65-70 days old, wherein a transition period of 3 days is set when the feed is replaced, and the proportion of new feed to old feed is gradually increased; spreading wet materials on a backing plate below a heating umbrella twice a day 1-5 days after weaning, and increasing the feed intake of piglets, wherein each wet material is 300g; before the 35 th day of the nursing day, closing the water source of the dry and wet trough, keeping the hopper clean with feed, and after 35 days, opening the water fountain of the dry and wet trough, and checking the feed waste and blockage every day; all feeds were cured at 88 ℃ for 5 minutes prior to feeding to kill viruses;
treatment of sick pigs: inspecting rooms, and treating the detected sick pigs one by one, wherein the sick pigs with serious illness state are transferred to sick pig fences for treatment and nursing; the examination part of the sick pig comprises a head part, an ear part, an abdomen part, a tail part, a castration part, a hind limb and a forelimb.
Further, 1) during the preparation, collecting the faeces sample of the delivery room for back feeding, selecting the faeces sample of the sow and the piglet with diarrhea symptoms and disease symptoms, and adding cold water into the faeces sample to soak for one night before the back feeding.
Further, the method for looking up the condition comprises the following steps: and (3) observing the behavior of the sow, and after the sow is fully stimulated, checking the sow back, lifting the sow side abdomen, squeezing the sow private parts and riding and pressing the sow back to check the stillness degree of the sow.
Further, the method for checking the return condition comprises the following steps: 1 adult boar is used for checking through oral-nasal contact stimulation of sow through a fence gate, and the static reaction is combined with the shape, color and mucus change degree of the vulva to judge the return.
Further, 3) during fattening, the proportion of the new material to the old material is respectively as follows: day 1, 25:75, day 2 50:50, day 3 75:25.
further, the room is patrol from the room of the smallest pig to the room of the largest pig.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows: the method has the advantages that the fully-closed breeding factory is built, the dans pigs are introduced, the self-breeding and autotrophy are realized, the transmission path of pathogens is cut off, the paths of workers and production materials are strictly controlled, all individuals possibly carrying the pathogens can enter a breeding area after being disinfected, the aseptic breeding is realized, the conventional immunity is carried out regularly, the morbidity and the treatment cost of the pigs can be greatly reduced, and the breeding economic benefit is high.
Detailed Description
All of the features disclosed in this specification, except for mutually exclusive features and/or steps, may be combined in any manner.
A modern aseptic cultivation method of green healthy pigs, comprising the following steps:
first, preparation before cultivation
1) Building a cultivation factory building: the method comprises the steps that an outer zone, an isolation zone, an inner zone and a cultivation zone are sequentially arranged from outside to inside, an inlet of the isolation zone is communicated with the outer zone, an outlet of the isolation zone is communicated with the inner zone, a decontamination room is arranged between the inner zone and the cultivation zone, matched dining rooms and accommodation zones are arranged in the outer zone, the isolation zone and the inner zone, a kitchen is arranged in the outer zone, and a life entertainment zone is arranged in the inner zone; pig houses which are uniformly distributed are arranged in the breeding area, and the pig houses are communicated in a closed manner through a gallery; a slit plate is paved at the bottom of the pig house, and a septic tank is arranged below the slit plate;
2) The isolation area is provided with a fumigation chamber and a spraying chamber: all production materials and baggage carried by staff, including mobile phones, computers and the like, enter a fumigation room to carry out ozone fumigation and ultraviolet disinfection, the staff enter a spraying room to carry out spray disinfection, and after 48 hours, slippers are replaced and enter an inner area;
3) A bath room is arranged in the decontamination room: before entering the cultivation area from the inner area, workers enter the decontamination room for bathing, and the workers are replaced with sterilized and dried work clothes, socks and shoes;
all the wall boards, top boards and the like used in the factory building are made of 304 stainless steel, so that the wall boards, top boards and the like are corrosion-resistant, high in strength and long in service life, and heat-insulating materials are paved on the wall surfaces, so that the wall boards are warm in winter and cool in summer;
(II) cultivation management
1) Chest-fit bag
Introducing a dan-series breeding pig, self-breeding and autotrophic, mixing 1-2 replacement gilts in a single housing of a replacement pig, and timely updating the replacement gilts; back feeding is carried out on a backup sow of 180 days old and pregnant sows of 65-85 days old, the backup sow is back fed 1 time per week and 4 times continuously, and the pregnant sow is back fed 2 times per week; collecting a fecal sample of a delivery room for back feeding, selecting a fecal sample of a sow and a piglet with diarrhea symptoms and disease symptoms, and adding cold water into the fecal sample for soaking for one night before back feeding;
the backup sow starts to perform oestrus searching work after 175 days, at least 1 oestrus searching and oestrus inducing of the boar are performed every day, and at least 1 oestrus record is provided for the backup sow before formal allocation; preparing 1 boar with 80-100 backup pigs, selecting boars with ages of more than 12 months, and keeping the attracting time of the boars for 10-15 minutes; the day of opening is 230 days or more; the method for checking the condition comprises the following steps: observing the behavior of the sow, and after the sow is fully stimulated, checking the sex to repeatedly touch the back of the sow, lifting the abdomen of the sow, squeezing the pudendum of the sow and riding the back of the sow to check the stillness of the sow;
pure seed selection: the same sow uses the same male parent in the same mating period; hybridization and matching: insemination and mating are carried out for multiple times, the same male parent is used each time, and if the same male parent cannot be used, male pig male parents of the same family are adopted; before use, semen should be dispersed and stored in a constant temperature box at 17 ℃ and prepared for mating record; the replacement gilts are subjected to artificial insemination work when standing reflection occurs, are bred again after an interval of 24 hours, are immediately bred under the condition of semen, are bred again after an interval of 24 hours, are bred under the condition of standing reflection, and are bred again after an interval of 24 hours; the method for checking the return condition comprises the following steps: stimulating sow to check through mouth-nose contact by 1 adult boar through fence gate, and judging oestrus return by standing reaction and combining the shape, color and mucus change degree of vulva;
the weaned backup sow and the multiprimary sow are fed for 2 times a day during the period from weaning to reassortment, and 2.7-3.6kg of the weaned backup sow and the multiprimary sow are fed each time; the weaned sow is subjected to oestrus inducing when fed from the 1 st day to the 3 rd day after weaning, oestrus searching is performed from the 3 rd day to the 10 th day after weaning, and breeding is performed from the 4 th day to the 7 th day after weaning;
pregnant sows are fed twice daily, on day 0-30, 1.5-3 lbs/meal, on day 31-60, 1.5-3.5 lbs/meal, and fat is adjusted to 3.0-3.5, on day 61-75, 1.8-2.2 lbs/meal, on day 76-90, 1.9-2.4 lbs/meal, on day 91-110, 2.0-2.5 lbs/meal, on day 111-delivery, and no more than 2 lbs/meal;
checking: sow oestrus returning inspection is carried out every day 18-24 days after mating; b ultrasonic inspection is respectively carried out on sows on the 25 th day to the 32 th day after hybridization and sows on the 36 th day to the 42 th day after hybridization;
2) Production of
Before the sow enters the delivery room, the sow is washed, disinfected, checked and maintained, the sow enters the delivery room after being washed, the situations of the pre-delivery period, feeding condition, vulva change and nipple change of the sow are observed, and the preparation work before the delivery is carried out on the sow to be delivered, including sundries cleaning, heat preservation lamp preparation, drying matter, heating plate, delivery receiving tool and medicine and heat stress treatment; the delivery room temperature is 23.3 ℃;
feeding sow 4 times per day after delivery for 1-10 days after delivery, feeding sow 2.5 kg/time in the first day, and increasing 0.5 kg/time per day later; feeding is started on the 10 th day after the birth of the piglets, and the piglets are fed at least 4-7 times;
sow nursing: when the sow is fed, the feeding condition of the sow is observed, and abnormal sow is checked and treated; piglet nursing: when the sow is fed and the piglet is fed, the color and the shape of the excrement of the piglet are observed, and the mental state of the piglet is immediately treated;
3) Fattening
250+/-10 pigs are filled in each room, the boars and the castrated pigs can be mixedly raised, the gilts cannot be mixedly raised with the boars, and the sows are separated according to size; a large fence is left out of every three rooms to serve as a sick pig fence;
temperature: the temperature of the room is regulated by using a heating umbrella, the temperature of the room is maintained at 83.5F on days 1-13, 84F on days 14, 81F on days 25, 77F on days 70, 74F on days 130, and the temperature of a comfort zone around the heating umbrella is 4-5F higher than the temperature of the room;
and (3) ventilation: setting a wind window opening, and observing and determining the size of the wind window opening according to the behaviors of the piglets;
feed: teaching trough material 2 kg/head, nursing earlier stage material 6 kg/head, nursing later stage material feeds to 65-70 days of age, and when the fodder was changed, set up the transition period of 3 days, the proportion of new material and old material increases gradually, day 1 25:75, day 2 50:50, day 3 75:25, a step of selecting a specific type of material; spreading wet materials on a backing plate below a heating umbrella twice a day 1-5 days after weaning, and increasing the feed intake of piglets, wherein each wet material is 300g; before the 35 th day of the nursing day, closing the water source of the dry and wet trough, keeping the hopper clean with feed, and after 35 days, opening the water fountain of the dry and wet trough, and checking the feed waste and blockage every day; all feeds were cured at 88 ℃ for 5 minutes prior to feeding to kill viruses;
treatment of sick pigs: the sick pigs found are treated one by one from the room of the smallest pig to the room of the largest pig, and the sick pigs with serious illness state are transferred to a sick pig fence for treatment and nursing; the examination part of the sick pig comprises a head part, an ear part, an abdomen part, a tail part, a castration part, a hind limb and a forelimb.
The method for breeding pigs has low morbidity of pigs, obviously reduces treatment cost, has high survival rate of pigs up to 95-97 percent and has high breeding economic benefit.
The above-described embodiments of the present invention. The present invention is not limited to the above embodiments, and any person who can learn about the structural changes made under the teaching of the present invention falls within the scope of protection of the present invention if the present invention has the same or similar technical solutions.
Claims (6)
1. A modern aseptic cultivation method of green healthy pigs, which is characterized by comprising the following steps:
first, preparation before cultivation
1) Building a cultivation factory building: the method comprises the steps that an outer zone, an isolation zone, an inner zone and a cultivation zone are sequentially arranged from outside to inside, an inlet of the isolation zone is communicated with the outer zone, an outlet of the isolation zone is communicated with the inner zone, a decontamination room is arranged between the inner zone and the cultivation zone, matched dining rooms and accommodation zones are arranged in the outer zone, the isolation zone and the inner zone, a kitchen is arranged in the outer zone, and a life entertainment zone is arranged in the inner zone; pig houses which are uniformly distributed are arranged in the breeding area, and the pig houses are communicated in a closed manner through a gallery; a slit plate is paved at the bottom of the pig house, and a septic tank is arranged below the slit plate;
2) The isolation area is provided with a fumigation chamber and a spraying chamber: all production materials and baggage carried by staff enter a fumigation room to carry out ozone fumigation and ultraviolet sterilization, the staff enter a spraying room to carry out spray sterilization, and after 48 hours, the slippers are replaced and enter an inner area;
3) A bath room is arranged in the decontamination room: before entering the cultivation area from the inner area, workers enter the decontamination room for bathing, and the workers are replaced with sterilized and dried work clothes, socks and shoes;
(II) cultivation management
1) Chest-fit bag
Introducing a dan-series sow, self-breeding and autotrophic, mixing 1-2 replacement gilts in a single housing of a backup sow, and timely updating the replacement gilts; back feeding a 180-day-old replacement gilt and a pregnant sow of 65-85 days, wherein the replacement gilt is back fed 1 time per week and 4 times continuously, and the pregnant sow is back fed 2 times per week;
the replacement gilts begin to perform oestrus searching work after 175 days of age, at least 1 oestrus searching and oestrus inducing of the boars are performed every day, and at least 1 oestrus record is provided for the replacement gilts before formal allocation; preparing 1 boar with 80-100 backup sows, selecting boars with ages of more than 12 months, and ensuring that the attracting time of the boars lasts for 10-15 minutes; the day of opening is 230 days or more;
pure seed selection: the same sow uses the same male parent in the same mating period; hybridization and matching: insemination and mating are carried out for multiple times, the same male parent is used each time, and if the same male parent cannot be used, male pig male parents of the same family are adopted; before use, semen should be dispersed and stored in a constant temperature box at 17 ℃ and prepared for mating record; the replacement gilts are subjected to artificial insemination work when standing reflection occurs, are bred again after an interval of 24 hours, are immediately bred under the condition of semen, are bred again after an interval of 24 hours, are bred under the condition of standing reflection, and are bred again after an interval of 24 hours;
the weaned backup sow and the multiprimary sow are fed for 2 times a day from weaning to reassortment, and 2.7-3.6kg of the weaned backup sow and the multiprimary sow are fed each time; the weaned sow is subjected to oestrus inducing when fed from the 1 st day to the 3 rd day after weaning, oestrus searching is performed from the 3 rd day to the 10 th day after weaning, and breeding is performed from the 4 th day to the 7 th day after weaning;
pregnant sows are fed twice daily, on day 0, 0-30, 1.5-3 lbs/meal, 31-60 days, 1.5-3.5 lbs/meal, and fat condition is adjusted to 3.0-3.5, 61-75 days, 1.8-2.2 lbs/meal, 76-90 days, 1.9-2.4 lbs/meal, 91-110 days, 2.0-2.5 lbs/meal, 111 days to delivery, and no more than 2 lbs/meal;
checking: sow oestrus returning inspection is carried out every day 18-24 days after mating; b ultrasonic inspection is respectively carried out on sows on the 25 th day to the 32 th day after hybridization and sows on the 36 th day to the 42 th day after hybridization;
2) Production of
Before the sow enters the delivery room, washing, sterilizing, checking and maintaining the sow, washing the whole body, entering the delivery room, observing the pre-delivery period, feeding condition, vulva change and nipple change of the sow, and preparing the sow to be delivered before delivery, wherein the preparation comprises sundries cleaning, heat stress treatment, and preparation of heat preservation lamps, dry matters, heating plates, delivery receiving tools and medicines; the delivery room temperature is 23.3 ℃;
feeding sow 4 times per day after delivery for 1-10 days after delivery, feeding sow 2.5 kg/time in the first day, and increasing 0.5 kg/time per day later; feeding is started on the 10 th day after the birth of the piglets, and the piglets are fed at least 4-7 times;
sow nursing: when the sow is fed, the feeding condition of the sow is observed, and abnormal sow is checked and treated; piglet nursing: when the sow is fed and the piglet is fed, the color and the shape of the excrement of the piglet are observed, and the mental state of the piglet is immediately treated;
3) Fattening
Each room contains 250+/-10 pigs, the boars and the castration pigs are mixedly raised, the sows cannot be mixedly raised with the boars, and the sows are separated according to size; a large fence is left out of every three rooms to serve as a sick pig fence;
temperature: the temperature of the room is regulated by using a heating umbrella, the temperature of the room is maintained at 83.5 ℃ on days 1-13, 84 ℃ on 14 days, the temperature is reduced to 81 ℃ on day 25, 77 ℃ on day 70, 74 ℃ on day 130, and the temperature of a comfort zone around the heating umbrella is 4-5 ℃ higher than the temperature of the room;
and (3) ventilation: setting a wind window opening;
feed: 2 kg/head of creep feed, 6 kg/head of early-stage feed for conservation, and feeding the late-stage feed for conservation to 65-70 days old, wherein a transition period of 3 days is set when the feed is replaced, and the proportion of new feed to old feed is gradually increased; spreading wet materials on a backing plate below a heating umbrella twice a day 1-5 days after weaning, and increasing the feed intake of piglets, wherein each wet material is 300g; before the 35 th day of the nursing day, closing the water source of the dry and wet trough, keeping the hopper clean with feed, and after 35 days, opening the water fountain of the dry and wet trough, and checking the feed waste and blockage every day;
treatment of sick pigs: inspecting rooms, and treating the detected sick pigs one by one, wherein the sick pigs with serious illness state are transferred to sick pig fences for treatment and nursing; the examination part of the sick pig comprises a head part, an ear part, an abdomen part, a tail part, a castration part, a hind limb and a forelimb.
2. The method of claim 1, wherein 1) during the preparation, collecting the manure sample from the delivery room for the back feeding, selecting the manure sample from the sow and the piglet with diarrhea symptoms and disease symptoms, and adding cold water to soak the manure sample for one night before the back feeding.
3. The method for modernized aseptic cultivation of green and healthy pigs according to claim 1, wherein the method for looking up conditions comprises: and (3) observing the behavior of the sow, and after the sow is fully stimulated, checking the sow back, lifting the sow side abdomen, squeezing the sow pudendum and riding and pressing the sow back to check the stillness degree of the sow.
4. The method for modernized aseptic cultivation of green and healthy pigs according to claim 1, wherein the method for oestrus examination is as follows: 1 adult boar is used for checking through oral-nasal contact stimulation of sow through a fence gate, and the static reaction is combined with the shape, color and mucus change degree of the vulva to judge the return.
5. The method for modernized aseptic cultivation of green and healthy pigs according to claim 1, wherein 3) the ratio of new feed to old feed is respectively: day 1, 25:75, day 2 50:50, day 3 75:25.
6. a modern aseptic cultivation method for green and healthy pigs according to claim 1, wherein the room is inspected from the room of the smallest pig to the room of the largest pig.
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