The weight of weaned piglets severely affected the growth and development of reared and finishing pigs. It has been proved by practice that the weaning weight of the piglet is 1 kilogram, and the time for slaughter will be 7 days to 10 days. Therefore, in order to maximize the weaning weight of the sow, it is necessary to increase the birth weight of the sow, increase the milk production of the sow, and increase the feed intake of the sow, so as to ensure that the weaned pig has a large body and can grow healthily. Scientifically rearing pregnant sows to increase the birth weight of piglets "The difference between the first birth and the second, weaning worse than a pound," shows that the pig's birth weight and weaning weight are inextricably linked. According to the embryonic development rules of pregnant sows, the weight of 60% to 70% of newborn pigs develops rapidly during the later period of pregnancy. Therefore, grasping the feeding and management of pregnant sows for 80 days to 110 days has a vital role in increasing the birth weight of the sow. This period should be based on the pregnant sow's nymphs, to control the full amount of feed, requiring protein of 16% to 17%. Sows are generally used to feed 2.5kg to 3kg per head per day. If conditions allow it to exercise properly, and increase the quality of green forage, and promote sorrow appetite, digestion and absorption and fecal excretion, to improve the number of births. In the 5 days to 7 days before birth, feeds should be gradually reduced, especially the obese sows should reduce the material 7 days before the birth, until the day of childbirth stop feeding, can avoid the sows difficult to produce, increase the birth weight and survival rate of the pig. Strengthen nursing sow management and increase sow's lactation The purpose of strengthening nursing sow management is to increase the amount of milk produced by the sow so that the pig can suck enough milk to promote growth. Sows don't feed on the day, feed only bran salt water or bran electrolyte water, gradually increase the amount of feed within 7 days, when the amount of feed is normal, to maximize sow feed intake, the maximum daily limit of each head About 6 kilograms, the lack of sow intake will reduce the amount of milk, affecting the growth of the pig. The feed must be of good quality, not moldy, non-corrupt, and not deteriorating. Drinking water should be sufficient to prevent sow constipation and affect feed intake and milk yield. At the same time, we must do a good job of breast cleaning and disinfection to protect the nipples and prevent the occurrence of mastitis. Insufficient lactation of sows can be used for artificial prolactin and feeding of feeds rich in protein and easily digestible, such as soymilk, fish soup, boiled placenta soup and juicy fruits of melons, or drugs with prolactin, such as muscles. Note 3 ml of prolactin, twice daily. Scientific open food and supplementary feeding to increase the intake of pigs The sow's lactation peak appears around 20 days after childbirth, and then gradually declines. Therefore, the pigs should be allowed to eat at 7 days of age. Usually, a little piglet pellets are used to force feeding for 3 days to 4 days. After 10 days, formal feeding is performed. When the piglet starts to feed the suckling pig feed, it can use the feed trough to supplement the feed. It is necessary to add less ground so that the amount of feed per head gradually increases to 200 grams to 250 grams per day at weaning, 5 times to 6 times per day. In order to promote the feeding and digestion of the piglets, organic acids, sweeteners, enzyme preparations and antibiotics can be added to the sucker feed to help improve the gastrointestinal microecological balance of the piglets. The remaining feed in the feed tank should be discarded. After the feed tank is cleaned and sterilized, it can be used to make up for the lack of breast milk to promote the rapid growth of the pigs and increase the weaning weight. Strengthen the management of nursing pigs and increase the survival rate of pigs Breast-feeding pig management includes such aspects as delivery of piglets, fixation of nipples, insulation and antifreeze, pressure prevention, iron supplementation, selenium supplementation, water supplementation, and immune prevention and disease prevention. Special attention should be paid to the insulation, antifreeze and pressure protection of the pigs. Normally, the delivery room temperature should be 15°C~23°C. The piglet warming area should be heated by infrared lamps. The temperature of the pigs from 1 day to 3 days of age should reach 30°C~32°C. The temperature from 4 days to 10 days of age reached 28°C~30°C, and the temperature from 11 days to 30 days was 26°C~28°C. When the piglets are 3 days old, 14 days old, and 28 days old, iron supplements and selenium are added in time. Each injection of iron 100 mg to 200 mg, 0.1% sodium selenite solution 0.5 ml to 1 ml can prevent anemia. , pigs, edema and white muscle disease, while ensuring that the pigs drink enough clean water. Pay attention to daily epidemic prevention and disinfection work. After the weaning of the piglets, a swine fever, highly pathogenic blue-ear ear disease, foot-and-mouth disease, streptococcus, and paratyphoid fever of the piglet were used for immunization and once again with ivermectin. Regularly sweep the pig house every day, clean up the excrement, do a good job of ventilation and improve the air quality in the house. Every 2 days to 3 days, pigs were sterilized with 0.03% 100 mg or 0.1% dioxyacetic acid. Yellowing and white psoriasis are more common in nursery pigs, and 40,000 units of gentamycin or kanamycin can be taken orally before the sucking of colostrum, which has a good preventive effect. The number of sucklings of the pigs was gradually reduced 7 days before the weaning period of the sows, and they were weaned once at the weaning age. Take the "mother catching the mother", let the pigs stay in the original circle for about one week and the feeding of the suckling pig feed will remain unchanged, reducing the weaning stress response. KDC-Y series is suitable for gynecological diagnosis and examination,child-birth,caesarean operation and other gynecological surgical operations.Operating Table For Delivery.
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