CN112889747B - Long tail soil pig cultivation and antibiotic-free cultivation method - Google Patents
Long tail soil pig cultivation and antibiotic-free cultivation method Download PDFInfo
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- CN112889747B CN112889747B CN202110092895.6A CN202110092895A CN112889747B CN 112889747 B CN112889747 B CN 112889747B CN 202110092895 A CN202110092895 A CN 202110092895A CN 112889747 B CN112889747 B CN 112889747B
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Classifications
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- A—HUMAN NECESSITIES
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Fodder In General (AREA)
Abstract
The invention discloses a method for breeding long tail soil pigs and non-resistance breeding, which belongs to the technical field of breeding, a quantitative character breeding value estimation method is adopted to select hybrid land-Sichuan pig female parent, the land-Sichuan pig female parent is hybridized to obtain three-way hybrid pork pigs or internal quaternary hybrid pork pigs, self-reproduction autotrophy is adopted, a backup sow house, a pregnant sow house, a heavy-duty sow house, a delivery house, an empty sow house, a nursery house and a fattening house are established by taking the time week as a production rhythm, pig feed formulas at each stage are self-matched, feeding is carried out according to feeding standards, a reasonable stock pig structure is controlled, the pigs are fed and managed, an ecological three-dimensional breeding mode is established, a full-leakage steel structure environment-friendly pig fence is adopted, and a customized pig health care scheme is adopted for health care.
Description
Technical Field
The invention relates to the technical field of cultivation, in particular to a method for cultivating long-tail soil pigs and a method for antibiotic-free cultivation.
Background
Foreign pig breeds, such as Dunalia long and large ternary hybrid pigs, are the main commercial pigs in China at present, and are widely used by pig producers due to high growth speed, high feed utilization rate and obvious economic benefit. The traditional pig breeding method is to evaluate the three indexes of the appearance, development and production performance of the breeding pigs. The breeding of exotic lean type pigs mostly aims at daily gain and lean percentage. The external ternary lean type pig hybridization production mode is as follows: the long white and the large white are hybridized to grow, and then the long white and the large white are hybridized to obtain the long Du.
Although the growth rate, feed utilization efficiency, carcass lean percentage, etc. of the external ternary lean type pig have been improved, many problems have been brought about. With the increasing selection degree of pig production performance, the overall adaptability of pigs is greatly reduced, a series of diseases such as breeding, respiration and movement systems are increased, and firstly, the quality of pork is reduced; secondly, the incidence rate of the stress syndrome of the pigs is improved, and the incidence rate of PSE meat and DFD meat is improved; thirdly, the foreign imported pig breeds have high cost and strong dependence, and are not beneficial to the protection, development and utilization of local pig breeds in China.
The production of the exotic lean commercial pigs adopts a one-step fattening method, namely, from weaning to the end of fattening of the piglets, the pigs are given full nutrition according to different stages of production and development, the middle pigs do not fall off the shelf, so that the pigs are fully developed, and generally 180 days after birth are required, and the weight reaches 90-100 kg for slaughtering.
Intramuscular fat content was reduced, such as 50% for IFM in Danish 1978-1992 in Changbai pigs, joker Xia pigs, duroc pigs, which were only about 1% and from 4.15% to 2.05%. The muscle fibers are too thick, have poor water holding power, and the meat becomes dry and hard and lacks flavor.
Disclosure of Invention
The invention aims to provide a method for cultivating and antibiotic-free cultivation of long-tail pigs, which solves the technical problems in the background technology. The Luchuan pig has good sow property, high fertility and obvious hybridization advantage, and is an ideal hybridization female parent of high-quality brands of pigs. The land pig is used as female parent to carry out economic hybridization with the foreign pig species, such as about g, changbai and Duroc, so as to obtain hybrid offspring with high economic utilization value, increase the number of commercial pigs, improve the pork quality and meet the market need of diversified branding of high-quality pork.
A method for cultivating the long tail pig in soil and raising it without resistance includes such steps as choosing the female parent of hybrid land-Sichuan pig, hybridizing the female parent of land-Sichuan pig with the three-way hybrid pig or the internal-quaternary hybrid pig, self-reproduction, taking time week as production rhythm, setting up the stock, pregnant, heavy-fetus, delivery, empty-pregnant, nursing and fattening houses, preparing feed formula, feeding according to feed standard, controlling reasonable pig structure, raising and managing pig, building ecological three-dimensional culture mode, and periodically sterilizing and protecting pig.
Further, the specific process of the breeding value estimation method is as follows: selecting reproductive performance, growth performance and meat quality performance as indexes of breeding, wherein the reproductive performance (comprising total birth weight, living number, healthy number and weaned pig number, the growth performance comprises birth weight, weaning weight, growth speed and feed conversion ratio), the meat quality performance comprises lean meat percentage, intramuscular fat content, unsaturated fatty acid, shearing force, drip loss and selenium enrichment, estimating the breeding value of a selected individual in a core group by using on-site production record data of a reproductive group and a commercial group, carrying out isotactic family assessment by using PIGBLUP software with the economic shape of weaning survival rate, weaning weight, carcass quality and adaptability as breeding targets, sorting according to family breeding values, selecting excellent families as candidate families, carrying out breeding over 10 generations by using excellent female and male individuals of the excellent families as parents, realizing excellent gene polymerization, improving a flavor gene library, carrying out genotype sampling and census investigation on the variety or individual with excellent flavor, and tracking individuals to obtain the special land female parent.
Further, the specific process of hybridization to obtain the three-way hybridization pork pig comprises the following steps: the method for hybridizing the land-Sichuan pig female parent and the Dan line long white pig male parent to obtain the long land hybrid first-generation female parent, and hybridizing the long land hybrid first-generation female parent and the American Duroc pig male parent to obtain the ternary hybrid pork pig comprises the following specific steps: the land Sichuan pig female parent is hybridized with the Dan line long white pig male parent to obtain a long land hybrid first-generation female parent, the long land hybrid first-generation female parent is hybridized with the American Duroc pig male parent to obtain a long Liu Za second-generation female parent, and the long Liu Za second-generation female parent is hybridized with the American Duroc pig male parent to obtain the quaternary hybridized pork pig.
Further, the specific process of autotrophy comprises the following steps: the replacement gilts are bred in a backer sow house for 30 weeks, then enter a pregnant sow house, are bred in a heavy sow house for 3 weeks after 12 weeks of gestation sow house breeding, then enter a delivery house for 5 weeks, the sows enter a non-pregnant sow house for 1-2 weeks and return to the pregnant sow house, weaned piglets enter a conservation house for 6 weeks, and enter a fattening house for 30 weeks to go out of the fence.
Further, the pig feed formulation includes a replacement gilt feed, a pregnant (pregnant) sow feed, a nursing sow feed, a breeding boar feed and a middle and large pig feed, the replacement gilt feed includes 64% corn, 20.7% soybean meal, 5% wheat bran, 0.3% salt and 10% compound premix, the nursing sow feed includes 67% corn, 11.7% soybean meal, 11% wheat bran, 0.3% salt and 10% compound premix, the nursing sow feed includes 60% corn, 25.7% soybean meal, 4% fish meal, 0.3% salt and 10% compound premix, the nursing sow feed includes 55% corn, 25.7% soybean meal, 5% wheat bran, 4% fish meal, 0.3% salt and 10% compound premix, and the middle and large pig feed includes 64% corn, 21.7% soybean meal, 10% wheat bran, 0.3% salt and 4% compound premix.
Further, the concrete calculation method for controlling the reasonable stock pig structure comprises the following steps: number of pregnant sows = number of week-breeding sows x 15 weeks,
The number of temporary sows = number of week farrowing sows = number of unit farrowing columns = number of week farrowing sows x 3 weeks, number of barren weaning sows = number of week weaning sows + number of over-period uncomplexed and pregnant women, wherein 1/2 of number of week weaning sows = (number of adult sows x 30%/(12 months)) x 4 months, number of adult boars = number of week matched sows x 2/(2.5 +2 heads, wherein 2.5 is number of boar weeks used, 2 heads is calculated according to 2 number of present copulation of each estrus of sow, number of piglets = number of week farrowing birth x 4 weeks x 11 heads/embryo, number of nursery pigs = Zhou Duannai number of over-period x 5 weeks, number of medium large pigs = Zhou Baoyo survival number of child farrowing x 15 weeks, number of annual market pigs = number of week farrowing x 52 weeks x 10.23 heads/child farrowing.
The specific process of feeding is as follows:
further, when fattening pigs, pigs with less than 60 kg body weight are fed with high-protein and high-energy feed (74% corn, 17.7% soybean meal, 5% wheat bran, 1% soybean oil, 0.3% salt and 2% compound premix); the weight of the pig is more than 60 kg, high-energy low-protein feed (64% corn, 21.7% soybean meal, 10% wheat bran, 0.3% salt and 4% compound premix) is adopted, then fermented green feed is supplied in fattening period for grazing, the intramuscular fat deposition is promoted, the natural thiamine and vitamin E are supplied to the pig, and meanwhile myoglobin development is promoted.
Further, 3-5% of grease powder is added into the lactating sow feed in summer.
Further, the pig health care scheme specifically comprises the following steps: health care of piglets: 1 part of mycoplasma pneumonia live vaccine, 1 part of pseudocanine rabies vaccine and iron supplement are carried out within 24 hours after delivery; 1 ml of 14-day-old immune blue-ear seedlings; 18-day-old immunoglobulin vaccine; 21-day-old vaccine of circovirus plus mycoplasma vaccine;
health care of sows: the method comprises the steps of (1) short-term and optimal feeding before sow preparation, adding 150 g of brown sugar, 10 g of cod liver oil and 15 g of multiple vitamins into each pig every day, mixing wet feed, feeding nutritional medicines directly after the afternoon of weaning, mixing wet feed every day, not feeding, 4Kg of feed quantity every day, starting maximum feed intake in the third day, feeding three or four meals, directly feeding pregnant materials and allyl progestin without oestrus or with poor oestrus every 7 days, feeding 5 g/day every first, feeding 17 days continuously, and starting optimal feeding and pG600 injection in the 18 th day;
adding aureomycin 5g each day every day after the sow is bred, continuously feeding for 7 days, checking the condition for 16-22 days, and performing B ultrasonic treatment for 24-30 days;
the sow goes to the obstetric table and the front body surface of the obstetric table to expel insects, and is sprayed for 3 days continuously, so that the pig body surface is required to be wetted for expelling insects;
the sow is treated with health care, western medicines and Chinese herbal medicines for protecting liver and kidney every 1-2 months.
The cleaning and disinfecting integrated machine comprises a placing table and a spray head, wherein the left end of the placing table is provided with a fixing rod, the outer wall of the fixing rod is provided with an adjusting block, the top of the fixing rod is connected with a movable rod, the top of the movable rod is fixedly provided with a handle, a motor, a water pump and a water tank are sequentially arranged at the top of the placing table from left to right, a protecting shell is arranged at the outer side of the motor, a heat dissipation hole is formed at the top of the protecting shell, the bottom of the motor is provided with a rotating shaft, the bottom of the rotating shaft is provided with a connecting frame, the bottom of the connecting frame is provided with a cleaning brush, one end of the water pump is connected with a water pipe, the spray head is arranged at the bottom of the placing table, the right end of the placing table is fixedly provided with a mounting plate, the front end of the mounting plate is provided with a lighting lamp, the left end and the right end of the surface of the mounting plate are provided with slide ways, the front end of the slide ways is provided with a slide block, the bottom of the slide block is connected with a fixing frame, the bottom of the fixing frame is connected with a manure shoveling box, an air compressor, a disinfection and sterilization device, a disinfection solution storage box, a high-pressure high-temperature air spray head, a disinfection and sterilization spray head and an air preheating device are arranged on the placing table, the output end of the air preheating device is connected with the air compressor, the high-pressure high-temperature air spray head is obliquely arranged at the bottom of the placing table and is arranged at the back of the cleaning brush, the disinfection and sterilization spray head is vertically arranged at the bottom of the placing table and is arranged at the back end of the high-pressure high-temperature air spray head, the output end of the air compressor is respectively connected with the high-pressure high-temperature air spray head and the disinfection and sterilization device, the disinfection solution storage box is connected with the disinfection and sterilization spray head, the output end of the sterilization and disinfection spray head is connected with the sterilization and disinfection spray head.
The movable rod and the fixed rod form a telescopic structure through the adjusting block, the inner diameter size of the fixed rod is larger than the outer diameter size of the movable rod, and meanwhile, the bottom of the handle is fixedly connected with the top of the movable rod.
The rotating shaft and the connecting frame form a rotating structure through the motor, the cleaning brushes are in threaded connection with the bottom of the connecting frame, and the cleaning brushes are distributed at equal intervals.
The shower nozzle is fixed connection with place between the bottom of platform, and the distance between the shower nozzle equals, and the inside of water tank sets up to hollow structure simultaneously.
The bottom of mount and shovel excrement box are welded connection, and the mount passes through slider and mounting panel and constitutes sliding structure, and the shape of shovel excrement box sets up to the trapezoidal simultaneously.
The radiating hole and the protective shell are of an integrated structure, the shape of the protective shell is rectangular, and meanwhile, the illuminating lamp is movably connected with the mounting plate.
The air preheating device comprises a box body and a filter screen I, a filter screen II, a power supply, a heating device and an exhaust fan which are arranged in the box body, wherein an air inlet is formed in the box body, the filter screen I, the filter screen II, the heating device and the exhaust fan are arranged at one time from the air inlet, and the power supply is connected with the heating device.
The disinfection and sterilization device comprises a disinfection and sterilization shell and a disinfection and sterilization sleeve pipe arranged in the disinfection and sterilization shell, wherein the disinfection and sterilization sleeve pipes are connected with a disinfection and sterilization spray head, the disinfection and sterilization sleeve pipe atomizes disinfection and sterilization liquid, and then the disinfection and sterilization liquid is sprayed out together with high-temperature air to sterilize and sterilize the bottom plate and the air after being heated to a boiling point non-decomposition temperature.
The sterilizing sleeve comprises a sterilizing liquid atomizing device, a sterilizing liquid inlet, an air inlet, a heater, an empty pipe, a spraying nozzle, a high-pressure hot air inlet and a sterilizing mist outlet, wherein the sterilizing liquid inlet and the air inlet are arranged at two ends of the sterilizing liquid atomizing device, the sterilizing liquid inlet is connected with a sterilizing liquid storage box through a flowmeter, the air inlet is connected with an air compressor, the output end of the sterilizing liquid atomizing device is connected with one end of the empty pipe, the heater is arranged on the outer side of the empty pipe, the output end of the empty pipe is connected with the spraying nozzle, one lateral side of the spraying nozzle is connected with the high-pressure hot air inlet, the other lateral side of the spraying nozzle is connected with the sterilizing mist outlet, and the sterilizing mist outlet is connected with a sterilizing nozzle through a hose.
This prevent long-pending excrement device is because different users' heights are different, therefore the telescopic structure rotation regulating block that accessible movable rod and dead lever constitute before the use is rotatory to with the height of movable rod adjusted, in order to satisfy the demand of different user heights, adopt telescopic structure to increase the flexibility of using, can earlier inject the disinfection water into the water tank before the use, then the water pump operation can be with the inside disinfection water of water tank through in the water pipe input shower nozzle, then spout through the shower nozzle, so as to disinfect to ground, also made things convenient for the operation of cleaning brush simultaneously.
The excrement accumulation preventing device has the advantages that as excrement is accumulated for a long time and can be adhered to the ground, the motor can drive the connecting frame to rotate when the excrement accumulation preventing device is used, the cleaning brushes also rotate along with the excrement accumulation preventing device, so that the ground is cleaned, the cleaning range and the cleaning efficiency are increased due to the arrangement of the plurality of cleaning brushes, and in addition, the cleaning brushes are in threaded connection with the bottoms of the connecting frame so as to be convenient for a user to disinfect and replace the cleaning brushes, so that the use convenience is improved.
This prevent long-pending excrement device during use accessible mount and mounting panel constitute sliding structure with the inboard slider of mount from last to installing with the slide on mounting panel surface down, can promote the handle afterwards and make the main part remove, shovel excrement box can shovel excrement and urine this moment and prevent that excrement and urine from piling up, shovel excrement box sets up to trapezoidal form and is for better with the excrement and urine shovel, because the motor produces great vibrations easily when the operation, consequently the setting of shield shell top louvre can dispel the heat to the motor, the shield shell can avoid at the in-process of clearance excrement and urine simultaneously, excrement and urine splashes to the motor surface and influences the normal operation of motor, and the setting of light provides auxiliary effect for the main part uses at night.
The high-pressure high-temperature air spray head is arranged to spray high-pressure high-temperature air to blow the cleaned bottom plate to dry, heat and pre-disinfect the cleaned bottom plate, and then the bottom plate and the air are disinfected by the disinfection device, so that the integrated cleaning, disinfection and sterilization are realized.
The invention adopts the technical proposal and has the following technical effects:
compared with the prior art, the daily gain, feed intake and meat feed ratio of the pigs cultivated by the cultivation method are greatly improved, so that the blood of local pigs is kept above 12.5%, the adaptability, growth speed, feed return, slaughter rate, lean meat rate and other main production performances are remarkably improved, and meanwhile, the cleaning and disinfecting integrated machine is used to ensure that the cleaning and disinfecting are more efficient and the working efficiency is higher.
Drawings
FIG. 1 is a schematic representation of the hybridization pattern of a ternary hybrid pig in accordance with the present invention.
FIG. 2 is a schematic representation of the hybridization pattern of a quaternary hybrid pig in accordance with the present invention.
FIG. 3 is a flow chart of the autotrophic process of the present invention.
FIG. 4 is a schematic diagram of the front view of the cleaning and disinfecting integrated machine according to the present invention;
FIG. 5 is a schematic side view of the mounting plate of the cleaning and disinfecting all-in-one machine according to the present invention;
FIG. 6 is a schematic top view of a protective housing of the cleaning and disinfecting all-in-one machine of the present invention.
Fig. 7 is a schematic structural view of a disinfection and sterilization device of the cleaning and sterilization integrated machine.
FIG. 8 is a schematic diagram of the air preheating device of the cleaning and disinfecting integrated machine.
Reference numerals in the drawings: 1. a placement table; 2. a fixed rod; 3. an adjusting block; 4. a movable rod; 5. a handle; 6. a motor; 7. a water pump; 8. a water tank; 9. a protective shell; 10. a heat radiation hole; 11. a rotating shaft; 12. a connecting frame; 13. a cleaning brush; 14. a water pipe; 15. a spray head; 16. a mounting plate; 17. a lighting lamp; 18. a slideway; 19. a slide block; 20. a fixing frame; 21. a manure shoveling box; 22. an air compressor; 23. a sterilizing device; 24. a disinfectant storage tank; 25. high pressure high temperature air spray head; 26. sterilizing and disinfecting spray heads; 27. an air preheating device; 23.1, a disinfectant atomization device; 23.2, a disinfectant inlet; 23.3, air inlet; 23.4, a heater; 23.5, empty tube; 23.6, a spray nozzle; 23.7, a high-pressure hot air inlet; 23.8, a sterilizing mist outlet; 27.1, an air inlet; 27.2, a filter screen I; 27.3, a filter screen II; 27.4, a power supply; 27.5, heating the silk screen; 27.6, exhaust fan.
Detailed Description
The present invention will be described in further detail with reference to preferred embodiments for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the invention, and that these aspects of the invention may be practiced without these specific details.
A method for cultivating and antibiotic-free cultivation of long-tail soil pigs comprises the following specific steps:
1.1 land Chuan pig is an ideal hybrid female parent of high-quality brands pigs due to good mother property, high fertility and obvious hybridization advantage. The land pig is used as female parent to carry out economic hybridization with the foreign pig species, such as about g, changbai and Duroc, so as to obtain hybrid offspring with high economic utilization value, increase the number of commercial pigs, improve the pork quality and meet the market need of diversified branding of high-quality pork.
2.2.1 "Long tail" soil pigs employ three-breeds or four-breeds hybridization techniques. Establishing a core pig group, cultivating a specialized land-Sichuan pig sow line, introducing a specialized male parent line, and performing propagation expansion and hybridization improvement. The pig with long tail is one kind of pig with original strain, named Luchuan sow, from 20 kinds of pig with eight major names, and is bred in over 10 generations to produce special Luchuan pig strain suitable for local natural condition. The female parent is hybridized with exotic pigs such as about g, changbai and Duroc to produce the internal ternary or quaternary hybridized pork pig, so that the blood of the local pig is maintained to be more than 12.5%, and the main production performances such as adaptability, growth speed, feed return, slaughter rate, lean meat rate and the like are obviously improved. Two hybridization patterns are schematically shown in FIGS. 1-2.
2.2.2 using BLUP breeding value estimation method for a plurality of traits. The main indexes of our breeding are as follows: reproductive performance (solving much more raw problems): total litter size, number of live births, number of healthy births and number of weaned piglets; growth performance (solving the problem of growing faster): birth weight, weaning weight, growth rate, feed conversion ratio; meat quality (solving the problem of high quality of meat): lean meat percentage, intramuscular fat content, unsaturated fatty acid, shear force, drip loss, selenium enrichment, and the like. Estimating the breeding value of selected individuals in the core group by utilizing on-site production record data of the breeding group and the commodity group, and carrying out isotactic family assessment by using PIGBLUP software by taking the economic shapes such as weaning survival rate, weaning weight, carcass quality, adaptability and the like of piglets as breeding targets. Selecting excellent families as candidate families according to family breeding value sequence, utilizing the optimal male and female individuals of the optimal families as parents, realizing excellent gene polymerization through breeding for more than 10 generations, improving a flavor gene library, carrying out genotype sampling census on varieties or individuals with special flavors, tracking excellent individuals, purifying and propagating to form flavor strains, and cultivating long tail soil pigs.
2.2.3 self-propagation autotrophy is adopted, week is taken as a production rhythm, a factory flow production balanced production mode is adopted, the whole process is divided into four stages of production processes, and the process is carried out according to the following process flow chart, as shown in figure 3.
Weekly work schedule:
2.2.4 use green safe high quality feed.
2.2.4.1 the quality of the raw materials requires that the feed is screened layer by layer and the quality is strictly controlled. The quality requirement of the corn reaches the 1 grade standard of GB 1353-2009; the quality requirement of the wheat bran reaches the 1-grade standard of GB 10368-89; the quality of the soybean meal meets the level 1 standard. The pig feed without antibiotics, beta-stimulants and pesticide residues and with the content of mercury, lead, arsenic, copper and chromium not exceeding the standard is specially produced.
2.2.4.2 self-prepared feed formula unit for long tail pigs: % of (B)
2.2.4.3 "long tail" pig feed standard:
2.2.5 method for raising and managing the long tail soil pigs.
2.2.5.1 control of a reasonable stock pig structure is an effective method for controlling production and improving production level. The calculation method comprises the following steps:
pregnant sow number = week number of breeding sows x 15 weeks
Number of parturient sows = number of sow farrowing week = number of unit farrowing bars
Number of lactating sows = number of week farrowing sows x 3 weeks
Number of barren weaning sows = number of weaning sows per week + number of barren sows without pregnancy test (1/2 of number of weaning sows per week)
Backup sow number= (adult sow number×30%/(12 months)) ×4 months
Adult boar number = weekly sow number x 2 +.2.5 (boar number of weekly applications) +1-2 (sow number per oestrus calculated as 2 per mating species)
Piglet number = number of birthing weeks x 4 weeks x 11 head/embryo
Number of nursery pigs = Zhou Duannai number x 5 weeks
Number of medium and large pigs = Zhou Baoyo number of surviving times 15 weeks
Number of pork pigs on the market in the year = number of birthing births per week x 52 weeks x 10.23 heads/embryo
2.2.5.2 the front and rear limits of fattening pigs. The ' long tail ' native pigs with the weight of less than 60 kg are fed with high-protein and high-energy feed ' on a glance; the weight of the feed is more than 60 kg, high-energy low-protein feed is adopted, a large amount of starch feed is supplied in the fattening period, the high-energy low-protein daily ration formula for promoting intramuscular fat deposition is adopted, the synchronous accumulation of intramuscular fat and intramuscular fat is promoted, and meanwhile, the blood ammonia concentration is reduced. By referring to the traditional pig raising mode in China, the raising method provides grazing exercise conditions for the growing pigs or reduces the barn feeding density so as to promote the myoglobin concentration. The fermented green feed is mainly used for raising and growing pigs, and a large amount of natural thiamine and vitamin E are fed to the pigs, so that myoglobin development is promoted.
2.2.5.3 adding 3-5% of oil fat powder into the feed for sucking sow in summer, so as to reduce the energy supply deficiency caused by the decrease of feed intake, increase milk secretion and increase weaning weight of piglets; and (3) properly reducing the feeding density, and feeding a fattening pig at 1.5 square on average.
2.2.5.4 makes scientific, practical, simple and accurate pig farm statistical report forms, and a reasonable report system is a key for analyzing production, finding problems in time and solving problems.
2.2.6, establishing an ecological three-dimensional cultivation mode, forming a three-dimensional cultivation mode for raising pigs on the shore and fish in water, and realizing the sharing and comprehensive utilization of resources.
2.2.6.1 the environment-friendly pig fence is of a large-span, overhead and full-leakage steel structure. According to the living habit and the growth characteristics of pigs, a superior growing and living environment is created for pigs with long tails, the pigsty is composed of hot zinc steel materials, and the roof is made of three layers of special materials special for high-standard pigsty, so that the heatstroke prevention and cooling effects of the pigsty are effectively ensured, and ventilation can be maintained; the inside of the pigsty is fed by adopting an 80cm deep water excrement soaking process, so that the contents of harmful substances and harmful gases in the pigsty are effectively reduced, and the labor force and the water consumption are greatly saved.
2.2.6.2 a high quality water source is used. The production base is located at the south end of Chen Si reservoirs in Sixiang in mountain clear water, scenic guests and the south of Sixiang in scenic, the piggery is Shui Chunchun in all sides, clear and transparent, continuous flow is realized throughout the year, and the water is rich in minerals such as selenium and the like, so that the pig feed is a source spring guarantee for breeding long-tail pigs and pigs; the pig feed is in a spindle shape, four sides are surrounded by mountains, the pig feed is far away from residential areas, air is fresh, a natural epidemic prevention barrier of Yifudao Mo Fu Mokai is formed, and the pig feed is very suitable for breeding and growing high-quality healthy selenium-enriched pigs.
2.2.6.3 is matched with standard equipment such as a fecal sewage treatment tank, a filter tank, a fecal sewage liquid-solid separator and the like. The waste is efficiently treated into the pollution-free organic fertilizer, waste is changed into valuable, the pollution-free organic fertilizer is used as a base fertilizer for the reservoir fish culture of 2500 mu and the sugarcane field of more than 1000 mu around, the comprehensive utilization of resources is realized, the zero emission of cultivation is realized, and the ecological environment is effectively protected.
2.2.7 strict implementation of veterinary health and epidemic prevention regime and disinfection healthcare regimen.
2.2.7.1 pig farm is operated in a full-entry full-management mode, and pigs can be entered by thoroughly cleaning and sterilizing the pig farm and leaving the pig farm empty for one week before entering pigs each time. The production is arranged by taking the week as the production rhythm, the same pig group is divided into batches according to the production rhythm, and the pigs are transferred in and out from each independent unit at one time, washed, disinfected and empty for 1 week.
2.2.7.2 the pig group is subjected to comprehensive antibody detection regularly, and reasonable immunization is carried out according to the characteristics of the age of infection. Aiming at the characteristic that the pig with the long tail is very susceptible to swine enzootic pneumonia, the occurrence of the swine enzootic pneumonia is controlled by adopting a method of drug prevention and immunization.
2.2.7.3 "long tail" pig health care regimen.
Health care of piglets: 1 part of mycoplasma pneumonia live vaccine, 1 part of pseudocanine rabies vaccine and iron supplement are carried out within 24 hours after delivery; 1 ml of 14-day-old immune blue-ear seedlings; 18-day-old immunoglobulin vaccine; 21-day-old vaccine of circovirus plus mycoplasma vaccine.
Health care of sows: short term, high quality feed (multiple rows of eggs, rows of high quality eggs) prior to sow mating. 150 g of brown sugar, 10 g of cod liver oil and 15 g of multivitamin are added to each pig every day. And (5) mixing wet materials and feeding. The nutritional medicine is directly fed (not fed) with water in the afternoon of weaning. The feed is fed by mixing wet feed every day in the amount of 4Kg every day in the next day, and the feed intake is maximized in the third day (pigs are fed as much as possible), and the feed is fed in three or four meals (two meals of nutriment). Direct feed of pregnancy with no or poor oestrus plus allylprogestin (contraceptive) 5 g/day (once a day) up to day 7, continuous feed for 17 days, day 18, start with optimal feeding and injection of pG600.
The addition of aureomycin 5g per day is started on day 14 after sow mating (improving conception rate after mating and reducing hidden abortion). Feeding for 7 days. Checking the return condition in 16-22 days and making B ultrasonic in 24-30 days.
The sow goes to the obstetric table and the front body surface of the obstetric table to expel insects, and is sprayed for 3 days continuously, so that the pig body surface is required to be wetted for expelling insects.
The sow is subjected to health care every 1-2 months, and the specific application is based on the pig, and is generally western medicine and Chinese herbal medicine for protecting liver and kidney. If the pig group has no major problem, no western medicine is added for health care, and the traditional Chinese medicine for strengthening spleen and stomach is directly used.
2.3 the technical proposal of the invention has the beneficial effects that:
2.3.1 daily gain, feed intake and feed-meat ratio of the 'long tail' local pigs at each fattening stage:
2.3.2 comparison of production technical indexes of Long tail local pigs and lean meat pigs
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2.3.3 comparison of slaughter Properties of "Long tail" native pigs and lean pigs
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2.3.4 comparison of results of analysis and detection of pork quality of Long tail local pig and lean meat type pig
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The disinfection is accomplished with the disinfection all-in-one that clears up during the disinfection clearance, the disinfection all-in-one that clears up includes placing the platform 1, dead lever 2, regulating block 3, movable rod 4, handle 5, motor 6, water pump 7, water tank 8, protecting crust 9, the louvre 10, axis of rotation 11, link 12, cleaning brush 13, the water pipe 14, shower nozzle 15, mounting panel 16, light 17, slide 18, slider 19, mount 20 and shovel excrement box 21, the dead lever 2 is installed to the left end of placing the platform 1, and the outer wall of dead lever 2 is provided with regulating block 3, the top of dead lever 2 is connected with movable rod 4, and the top of movable rod 4 is fixed with handle 5, motor 6 has been installed in proper order from a left side to the right side to place the top of platform 1, water pump 7 and water tank 8, and protecting crust 9 is installed in the outside of motor 6, the louvre 10 has been seted up at the top of protecting crust 9, axis of rotation 11 is installed to the bottom of motor 6, and link 12 is installed to the bottom of axis of rotation 11, cleaning brush 13 is settled to the bottom of link 12, one end of water pipe 14 is connected with shower nozzle 15 is installed in the bottom of placing platform 1, and the bottom of slider 16 is installed to the mount 16, and slider 18 is installed to the bottom of slider 18, the front end of slider 20 is connected to the mount 16 is installed to the bottom of slider 20, and the bottom of slider 20 is installed to the bottom of the mounting panel 16 is installed to the bottom of the front of the mounting panel 16.
The disinfection shower nozzle is characterized in that the placing table 1 is further provided with an air compressor 22, a disinfection and sterilization device 23, a disinfection liquid storage box 24, a high-pressure high-temperature air shower nozzle 25, a disinfection and sterilization shower nozzle 26 and an air preheating device 27, the output end of the air preheating device 27 is connected with the air compressor 22, the high-pressure high-temperature air shower nozzle 25 is obliquely arranged at the bottom of the placing table 1 and is arranged behind the cleaning brush 13, the disinfection and sterilization shower nozzle 26 is vertically arranged at the bottom of the placing table 1 and is arranged at the rear end of the high-pressure high-temperature air shower nozzle 25, the output end of the air compressor 22 is respectively connected with the high-pressure high-temperature air shower nozzle 25 and the disinfection and sterilization device 23, the disinfection liquid storage box 24 is connected with the disinfection and sterilization shower nozzle 26, and the output end of the disinfection and sterilization shower nozzle 26 is connected with the disinfection and sterilization shower nozzle 26. The air preheating device 27 supplies hot air, the hot air is compressed and pressurized by the air compressor 22 to obtain high-temperature and high-pressure air, and then the high-pressure and high-temperature air nozzle 25 is flushed to blow the bottom plate to dry and heat the bottom plate. The disinfection and sterilization device 23 is used for carrying out atomization heating on disinfectant and mixing and spraying with high-pressure high-temperature gas, and carrying out disinfection and sterilization treatment on the bottom plate and the air on the bottom plate. The sterilizing effect is very good, and one-step in-place is realized.
The movable rod 4 forms a telescopic structure with the fixed rod 2 through the adjusting block 3, the inner diameter size of the fixed rod 2 is larger than the outer diameter size of the movable rod 4, meanwhile, the bottom of the handle 5 is fixedly connected with the top of the movable rod 4, and the telescopic structure formed by the movable rod 4 and the fixed rod 2 can be used for adjusting the height of the movable rod 4 through the telescopic structure rotation adjusting block 3 before the use due to different heights of different users, so that the requirements of different heights of the users are met, and the use flexibility is improved by adopting the telescopic structure.
The rotating shaft 11 forms a rotating structure through the motor 6 and the connecting frame 12, the cleaning brushes 13 are in threaded connection with the bottom of the connecting frame 12, and the cleaning brushes 13 are equidistantly distributed, and because the excrement is accumulated for a long time and can adhere to the ground, the motor 6 can drive the connecting frame 12 to rotate when in use, the cleaning brushes 13 also rotate along with the connecting frame, so that the ground is cleaned, the cleaning range and the cleaning efficiency are increased due to the arrangement of the cleaning brushes 13, and the threaded connection between the cleaning brushes 13 and the bottom of the connecting frame 12 is used for facilitating the disinfection and replacement of the cleaning brushes 13 by a user, so that the convenience of use is increased;
the spray heads 15 are fixedly connected with the bottom of the placement table 1, the distance between the spray heads 15 is equal, meanwhile, the inside of the water tank 8 is of a hollow structure, cleaning and sterilizing water can be injected into the water tank 8 before use, then the water pump 7 operates to input the sterilizing water in the water tank 8 into the spray heads 15 through the water pipes 14, and then the sterilizing water is sprayed out through the spray heads 15, so that the ground is sterilized, and meanwhile, the operation of the cleaning brush 13 is also facilitated;
The bottom of the fixing frame 20 is in welded connection with the manure shoveling box 21, the fixing frame 20 and the mounting plate 16 form a sliding structure through the sliding blocks 19, meanwhile, the manure shoveling box 21 is in a trapezoid shape, when the manure shoveling box is used, the sliding blocks 19 on the inner side of the fixing frame 20 can be mounted on the sliding ways 18 on the surface of the mounting plate 16 from top to bottom through the sliding structure formed by the fixing frame 20 and the mounting plate 16, then the handle 5 can be pushed to enable the main body to move, at the moment, the manure shoveling box 21 can shoveling manure so as to prevent manure from accumulating, and the manure shoveling box 21 is in the trapezoid shape so as to better shoveling manure;
the integrated structure is between louvre 10 and the protecting crust 9, and the shape of protecting crust 9 sets up to rectangular shape, is swing joint between light 17 and the mounting panel 16 simultaneously, because motor 6 produces great vibrations easily when the operation, consequently the setting of protecting crust 9 top louvre 10 can dispel the heat to motor 6, and simultaneously protecting crust 9 can avoid at the in-process of clearance excrement and urine, the excrement and urine splashes to motor 6 surface and influences motor 6 normal operating to the setting of light 17 provides auxiliary effect for the main part at night use.
As shown in fig. 5, the air preheating device 27 includes a box body, a filter screen i 27.2, a filter screen ii 27.3, a power supply 27.4, a heating device 27.5 and an exhaust fan 27.6, wherein the box body is provided with an air inlet 27.1, and the filter screen i 27.2, the filter screen ii 27.3, the heating device 27.5 and the exhaust fan 27.6 are arranged at one time from the air inlet 27.1, and the power supply 27.4 is connected with the heating device 27.5. The outside air enters the air preheating device 27 from the air inlet 27.1, and is filtered by the filter screen I27.2 and the filter screen II 27.3 to obtain pure air. The filter screen I27.2 and the filter screen II 27.3 are hundred-grade filter screens by using the current air evolution filter screen. Pure air from the filter screen II 27.3 enters the heating device 27.5 for heating at the temperature of 100-120 degrees, and hot air enters the exhaust fan 27.6.
As shown in fig. 4, the disinfection and sterilization device 23 includes a disinfection and sterilization housing and a disinfection and sterilization sleeve disposed in the disinfection and sterilization housing, wherein the disinfection and sterilization sleeve is connected with the disinfection and sterilization spray head 26, and the disinfection and sterilization sleeve atomizes the disinfection and sterilization liquid, and then is heated to a boiling point non-decomposition temperature and then is sprayed out together with high-temperature air to disinfect the bottom plate and the air. The disinfection and sterilization sleeve comprises a disinfection liquid atomization device 23.1, a disinfection liquid inlet 23.2, an air inlet 23.3, a heater 23.4, a hollow pipe 23.5, an ejection nozzle 23.6, a high-pressure hot air inlet 23.7 and a disinfection fog outlet 23.8, wherein the disinfection liquid inlet 23.2 and the air inlet 23.3 are arranged at two ends of the disinfection liquid atomization device 23.1, the disinfection liquid inlet 23.2 is connected with a disinfection liquid storage box 24 through a flowmeter, the air inlet 23.3 is connected with an air compressor 22, the output end of the disinfection liquid atomization device 23.1 is connected with one end of the hollow pipe 23.5, the heater 23.4 is arranged at the outer side of the hollow pipe 23.5, the output end of the hollow pipe 23.5 is connected with the ejection nozzle 23.6, one lateral side of the ejection nozzle 23.6 is connected with the high-pressure hot air inlet 23.7, the other side is connected with the disinfection fog outlet 23.8, and the disinfection fog outlet 23.8 is connected with a disinfection spray nozzle 26 through a hose.
For the excrement accumulation prevention device, firstly, the telescopic structure formed by the movable rod 4 and the fixed rod 2 can be used for rotating the adjusting block 3 so as to adjust the height of the movable rod 4, so as to meet the requirements of different heights of users, then cleaning and sterilizing water is injected into the water tank 8, then the sliding structure formed by the fixed frame 20 and the mounting plate 16 can be used for mounting the sliding block 19 on the inner side of the fixed frame 20 on the sliding way 18 on the surface of the mounting plate 16 from top to bottom, then the handle 5 can be pushed to move, at the moment, the excrement shoveling box 21 can be used for shoveling excrement so as to prevent excrement accumulation, then the water pump 7 can be used for inputting sterilizing water in the water tank 8 into the spray head 15 through the water pipe 14, and then the spray head 15 is used for spraying out so as to sterilize the ground, as to ensure that the excrement can be accumulated on the ground for a long time, so as to ensure that the motor 6 can drive the connecting frame 12 to rotate, at the moment, the cleaning brush 13 can also rotate along with the ground, the range and the cleaning efficiency are increased due to the fact that the motor 6 is easy to generate larger vibration when in operation, the motor 9 is arranged on the top of the protecting shell, the motor 6 can be used for cleaning the excrement, and the excrement can be prevented from being normally in the process of cleaning the excrement by the heat dissipation device.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (1)
1. A method for cultivating and antibiotic-free cultivation of long-tail soil pigs is characterized by comprising the following steps: selecting a hybrid land-Sichuan pig female parent by adopting a quantitative character breeding value estimation method, hybridizing a three-way hybrid pork pig or an internal quaternary hybrid pork pig by using the land-Sichuan pig female parent, adopting self-reproduction autotrophy, taking a time week as a production rhythm, setting up a backup sow house, a pregnant sow house, a heavy-fetus sow house, a delivery house, a non-pregnant sow house, a nursery house and a fattening house, self-matching pig feed formulas at each stage, feeding according to a feeding standard, controlling a reasonable stock pig structure, carrying out feeding management on pigs, establishing an ecological three-dimensional breeding mode, adopting a full-seam steel structure environment-friendly pig fence, regularly sterilizing and cleaning the pig fence, and customizing a pig health-care scheme for health care;
the breeding value estimation method comprises the following specific processes: selecting reproductive performance, growth performance and meat quality performance as indexes of breeding, wherein the reproductive performance comprises total birth weight, living number, healthy number and weaned pig number, the growth performance comprises primary weight, weaning weight, growth speed and feed conversion ratio, the meat quality performance comprises lean meat percentage, intramuscular fat content, unsaturated fatty acid, shearing force, drip loss and selenium enrichment, the breeding value of a core group selected individual is estimated by using on-site production record data of a reproductive group and a commodity group, the weaning survival rate, weaning weight, carcass quality and adaptive economic shape of a piglet are used as breeding targets, the isotactic cell family is evaluated by using PIGBLUP software, the excellent family is selected as a candidate family according to family breeding value sequence, excellent female and male individuals of the excellent family are used as parents, the excellent gene polymerization is realized through breeding over 10 generations, a special flavor gene library is improved, the excellent variety or individual with special flavor is subjected to genotype sampling and the individual is tracked, and the special land-based female parent is obtained;
The specific process of hybridization of the three-way hybrid pork pig comprises the following steps: the method for hybridizing the land-Sichuan pig female parent and the Dan line long white pig male parent to obtain the long land hybrid first-generation female parent, and hybridizing the long land hybrid first-generation female parent and the American Duroc pig male parent to obtain the ternary hybrid pork pig comprises the following specific steps: hybridizing the land Sichuan pig female parent with the Dan line long white pig male parent to obtain a long land hybrid first-generation female parent, hybridizing the long land hybrid first-generation female parent with the American Duroc pig male parent to obtain a long Liu Za second-generation female parent, and hybridizing the long Liu Za second-generation female parent with the American Duroc pig male parent to obtain a quaternary hybridized pork pig;
the specific process of self-propagation and autotrophy is as follows: the replacement gilts are bred in a house for 30 weeks and then enter a pregnant sow house, the pregnant sow house is bred for 12 weeks and then enters a heavy sow house for 3 weeks, then enters a delivery house for 5 weeks, the sows enter a non-pregnant sow house for 1-2 weeks and return to the pregnant sow house, weaned piglets enter a conservation house for 6 weeks, and enter a fattening house for 30 weeks to go out of the fence;
pig feed formulas include replacement gilt feed, pregnant (pregnant) sow feed, lactating sow feed, breeding boar feed and medium and large pig feed;
the feed for the backup sow comprises 64% of corn, 20.7% of soybean meal, 5% of wheat bran, 0.3% of salt and 10% of compound premix;
The pregnant sow feed comprises 67% of corn, 11.7% of soybean meal, 11% of wheat bran, 0.3% of salt and 10% of compound premix;
the feed for the lactating sow comprises 60 percent of corn, 25.7 percent of bean pulp, 4 percent of fish meal, 0.3 percent of salt and 10 percent of compound premix, and the feed for the boar comprises 55 percent of corn, 25.7 percent of bean pulp, 5 percent of wheat bran, 4 percent of fish meal, 0.3 percent of salt and 10 percent of compound premix;
the medium and large pig feed comprises 64% of corn, 21.7% of soybean meal, 10% of wheat bran, 0.3% of salt and 4% of compound premix;
the concrete calculation method for controlling the reasonable stock pig structure comprises the following steps:
number of pregnant sows = number of week-matched sows X15 weeks,
the number of the parturient sows=the number of the weekly farrowing sows=the number of the unit farrowings,
number of lactating sows = number of week farrowing sows X3 weeks,
number of barren weaning sows = number of weaning sows per week + number of uncomplexed and pregnancy test barren sows per period, wherein 1/2 of the number of weaning sows per week,
backup sow number= (adult sow number X30% ten 12 months) X4 months,
adult boar number = weekly sow number X2+2.5+2, wherein 2.5 is the number of boar weekly use, 2 is calculated according to 2 number of stock mating for each estrus of sow,
piglet number = number of birthing weeks X4 weeks X11 head/embryo,
number of nursery pigs = Zhou Duannai for X5 weeks, number of medium and large pigs = Zhou Baoyo for X15 weeks, number of pork pigs on the market each year = number of births per week X52 weeks X10.23 heads per embryo;
When fattening pigs, pigs with less than 60 kg body weight are fed with high-protein and high-energy feeds, and the following specific steps are as follows:
74% of corn, 17.7% of soybean meal, 5% of wheat bran, 1% of soybean oil, 0.3% of salt and 2% of compound premix;
more than 60 kg of body weight, high-energy low-protein feed is adopted, and the following specific steps are as follows:
64% of corn, 21.7% of soybean meal, 10% of wheat bran, 0.3% of salt and 4% of compound premix;
then, in the fattening period, a starch feed is supplied, a high-energy low-protein daily ration formula for promoting intramuscular fat deposition is adopted, the fermented green feed is mainly fed and grown, natural thiamine and vitamin E are supplied to the pigs, meanwhile, myoglobin development is promoted, and 3% -5% of fat powder is added into the lactating sow feed in summer;
the high-energy low-protein daily ration formula comprises 80% of medium and large pig feed and 20% of fermented herbal feed;
the pig health care scheme specifically comprises the following steps:
health care of piglets: 1 part of mycoplasma pneumonia live vaccine, 1 part of pseudocanine rabies vaccine and iron supplement agent are carried out within 24 hours after delivery; 14 days old immune blue ear vaccine L milliliters; 18-day-old immunoglobulin vaccine; 21-day-old vaccine of circovirus plus mycoplasma vaccine;
health care of sows: the method comprises the steps of (1) short-term and optimal feeding before sow preparation, adding 150 g of brown sugar, 10 g of cod liver oil and 15 g of multiple vitamins into each pig every day, mixing wet feed, feeding nutritional medicines directly after the afternoon of weaning, mixing wet feed every day, not feeding, 4Kg of feed quantity every day, starting maximum feed intake in the third day, feeding three or four meals, directly feeding pregnant materials and allyl progestin without oestrus or with poor oestrus every 7 days, feeding 5 g/day every first, feeding 17 days continuously, and starting optimal feeding and pG600 injection in the 18 th day;
Adding 5g of aureomycin every day every 14 days after sow hybridization, continuously feeding for 7 days, checking for return of emotion in 16-22 days, and performing B ultrasonic treatment in 24-30 days;
the sow goes to the obstetric table and the front body surface of the obstetric table to expel insects, and is sprayed for 3 days continuously, so that the pig body surface is required to be wetted for expelling insects;
health care, western medicines and liver and kidney protecting Chinese herbal medicines are carried out on the sow every 1-2 months;
the disinfection and cleaning are completed by using a cleaning and disinfection integrated machine;
the cleaning and disinfecting all-in-one machine comprises a placing table (1) and a spray head (15), wherein a fixing rod (2) is arranged at the left end of the placing table (1), an adjusting block (3) is arranged on the outer wall of the fixing rod (2), a movable rod (4) is connected to the top of the fixing rod (2), a handle (5) is fixed to the top of the movable rod (4), a motor (6), a water pump (7) and a water tank (8) are sequentially arranged at the top of the placing table (1) from left to right, a protecting shell (9) is arranged at the outer side of the motor (6), a heat radiation hole (10) is formed in the top of the protecting shell (9), a rotating shaft (11) is arranged at the bottom of the motor (6), a connecting frame (12) is arranged at the bottom of the rotating shaft (11), a cleaning brush (13) is arranged at the bottom of the connecting frame (12), one end of the water pump (7) is connected with a water pipe (14), the spray head (15) is arranged at the bottom of the placing table (1), a right end of the placing table (1) is fixedly provided with a motor (16), a mounting plate (16), a front end (16) is provided with a slide (18), a front end (18) of the mounting plate (18) is provided with a slide rail (18), the bottom of the sliding block (19) is connected with a fixing frame (20), the bottom of the fixing frame is connected with a manure shoveling box (21), an air compressor (22), a disinfection and sterilization device (23), a disinfection liquid storage box (24), a high-pressure high-temperature air spray head (25), a disinfection and sterilization spray head (26) and an air preheating device (27) are further arranged on the placing table (1), the output end of the air preheating device (27) is connected with the air compressor (22), the high-pressure high-temperature air spray head (25) is obliquely arranged at the bottom of the placing table (1) and is arranged behind a cleaning brush (13), the disinfection and sterilization spray head (26) is vertically arranged at the bottom of the placing table (1) and is arranged at the rear end of the high-pressure high-temperature air spray head (25), the output end of the air compressor (22) is connected with the high-pressure high-temperature air spray head (25) and the disinfection and sterilization device (23), the disinfection liquid storage box (24) is connected with the disinfection and sterilization spray head (26), and the output end of the disinfection and sterilization spray head (26) is connected with the disinfection and sterilization spray head (26).
The movable rod (4) and the fixed rod (2) form a telescopic structure through the adjusting block (3), the inner diameter of the fixed rod (2) is larger than the outer diameter of the movable rod (4), the bottom of the handle (5) is fixedly connected with the top of the movable rod (4), the rotating shaft (11) and the connecting frame (12) form a rotating structure through the motor (6), the cleaning brush (13) and the bottom of the connecting frame (12) are in threaded connection, the cleaning brushes (13) are equidistantly distributed, the spray heads (15) are fixedly connected with the bottom of the placing table (1), the distances between the spray heads (15) are equal, meanwhile, the inside of the water tank (8) is provided with a hollow structure, the air preheating device (27) comprises a tank body and a filter screen I (27.2), a filter screen II (27.3), a power supply (27.4), a heating device (27.5) and an exhaust fan (27.6) which are internally provided with the tank body, the tank body is provided with an air inlet (27.1), the filter screen I (27.2), the filter screen II (27.3), the heating device (27.5) and the exhaust fan (27.6) are sequentially arranged at the air inlet (27.1), the power supply (27.4) is connected with the heating device (27.5), the sterilizing and disinfecting device (23) comprises a sterilizing and disinfecting shell and a sterilizing and disinfecting sleeve arranged in the sterilizing and disinfecting shell, the disinfection and sterilization sleeve is connected with a disinfection and sterilization spray head (26), the disinfection and sterilization sleeve atomizes disinfection and sterilization liquid, then the disinfection and sterilization sleeve is heated to a boiling point which is not a decomposition temperature and then is sprayed out together with high-temperature air to sterilize and sterilize a bottom plate and air, the disinfection and sterilization sleeve comprises a disinfection liquid atomizing device (23.1), a disinfection liquid inlet (23.2), an air inlet (23.3), a heater (23.4), an air pipe (23.5), a spray nozzle (23.6), a high-pressure hot air inlet (23.7) and a disinfection fog outlet (23.8), the disinfection liquid inlet (23.2) and the air inlet (23.3) are arranged at two ends of the disinfection liquid atomizing device (23.1), the disinfection liquid inlet (23.2) is connected with a disinfection liquid storage box (24) through a flowmeter, the air inlet (23.3) is connected with an air compressor (22), the output end of the disinfection liquid atomizing device (23.1) is connected with one end of the air pipe (23.5), the heater (23.4) is arranged on the outer side of the air pipe (23.5), the output end of the air pipe (23.5) is connected with the spray nozzle (23.6) and the other side of the spray nozzle (23.5) is connected with the disinfection and the disinfection spray nozzle (8) through the high-pressure fog outlet (8;
The long tail soil pig breeding and antibiotic-free breeding method can keep the local pig blood system above 12.5%.
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