Effective way to raise piglets

Piglets are vulnerable to factors such as immunity, environment, sow status, weaning and other factors, resulting in impaired growth and development of piglets, reduced feed utilization, decreased resistance to disease, decreased piglet survival, retarded growth, and reduced weight gain. Therefore, corresponding measures must be taken according to the physiological characteristics of the piglets. 1 Strengthen Feeding Management 1.1 Prior to giving birth to the sow during the confinement of a sow giving birth, use a benzalkonium chloride or 0.2% potassium permanganate solution to scrub the vulva and the nipple to prevent infection. After the piglet is born, the mucus of the body, mouth and nose should be cleaned immediately, and the piglets should be put into the incubator for insulation. When dying piglets are found, first aid should be given immediately. 1.2 Helping piglets to eat colostrum Colostrum contains a lot of immunoglobulins and rich in nutrients. Newborn piglets can only gain immunity by eating colostrum. Therefore, they must do their best to help the piglets to eat colostrum, and let the piglets fix the teats. Generally, early and strong piglets are born to suck the nipples behind the suckers, and weak piglets suck the nipples in front of them. 1.3 Well-preserved and side-by-side work When the sows are born with more than 12 or fewer than 4 piglets for death, lack of milk, and litter size during delivery, they should be fostered or housed within 2 days. The method is to sow the piglet with urine, or rub the iodine on the sow's nose and piglet so that the sow can't discriminate whether it is the piglet she or she produced. 1.4 Insulation and anti-freeze work The ability of newly-born piglets to adjust body temperature to adapt to the environment is poor, and they need to be put into the incubator for insulation. The temperature in the incubator is required to be 32°C to 35°C, and it can be reduced to 28°C to 29°C after one week, and then gradually decreased to 25°C to 27°C. In the winter, care should be taken to keep the pens dry and flushing with as little water as possible. At the same time, the thief’s wind should be avoided. 1.5 Good early weaning of piglets for weaning piglets is an effective way to increase their productivity and feed utilization and raise the economic benefits of raising pigs. Piglets are generally weaned at 21 to 35 days of age. Weaning takes a gradual transition. Gradually reduces the number of times per day. The piglets are kept in the original bar for 2 to 4 days. After the weaning stress is reduced, they are transferred to the nursery home. Keep the feed unchanged for one week. Because digestive function of piglets is not well developed, diarrhea often occurs within a few days after weaning, which affects the growth of piglets. Therefore, antibacterial drugs (such as neomycin and lignocin) and vitamin B should be added to drinking water to reduce weaning. Stimulate and prevent post-weaning diarrhea in piglets. 2 Pay attention to piglet hygiene and epidemic prevention According to the clinical diagnosis records of many pig farms, 10 to 50 days old piglets are prone to various diseases, so it is extremely important to do early immunization work. 2.1 Prevention of immunization failure Failure of immunization is mainly due to two factors: First, the use of antibacterial drugs or feeding with antibiotics during the immunization period kills part of the antigen; Second, the immunization dose is not enough to stimulate the body to produce enough antibodies and cause immunization. failure. This requires us to strictly comply with the immune requirements when immunizing piglets, do not use antimicrobial drugs and feeds for a certain period of time, and ensure sufficient doses. 2.2 Doing Good Preventive Disinfection Adhering to the eradication of pathogens in the environment is a supplement to immunological precautions. Pig farms (households) should adhere to the use of bacteria to eradicate the spraying of barns and utensils every month. Only combination of disinfection and immunization can provide good preventive effects for piglets. 3 Prevention of Piglet Disease Piglets due to poor digestion, low feed utilization and disease resistance, unreasonable nutrient composition when piglets are eaten, high levels of proteins or polysaccharides, unbalanced electrolytes, insufficient copper, zinc and biotin feed After it is easy to cause feed diarrhea. In addition, diarrhea, edema, and other diseases are prone to stress in the external environment, bacteria (mainly yellow and white fleas), or viral infections. These diseases are more common in pig farms and not only affect the growth and development of piglets, but also have high morbidity and mortality. 3.1 Sow immunization The prevention of diarrhea in piglets is closely related to their nutritional status in the fetus. Malnutrition in pregnant sows, especially in late pregnancy, lack of protein, vitamins, and certain trace elements in feed can affect fetal development, which in turn leads to postnatal malnutrition and low disease resistance, such as the lack of vitamin D in sow diets for pregnant women. At A, the piglets produced are prone to diarrhea. Since piglets can acquire immunity by sucking colostrum, piglets can be prevented from diarrhea by immunizing sows. In the prenatal 21 to 28 days of sow injection, the genetic engineering of piglets with diarrhea double-price K88, K99 inactivated vaccine 2ml or E. coli K88, K99, 987P, 1741 four-valent vaccine, can prevent yellow and white piglets. Injecting 2 ml of inactivated gastroenteritis and epidemic diarrhea in 28 days before the sow, or intramuscular injection of infectious gastroenteritis and rotavirus attenuated vaccine in 5 to 6 weeks and 1 week before delivery 1ml prevents piglet viral diarrhea. The following methods should be used to treat diarrhea-infected piglets: 1 Vaccination and hyperimmune serum. 2 Oral rehydration salts (ORS) for rehydration. 3 According to the situation, gentamicin, streptomycin, neomycin, chlortetracycline and norfloxacin were used for treatment. 3.2 Prevention of Streptococcus suis Disease. The use of streptococcal seedlings is currently carried out after weaning, but this does not prevent early-onset streptococcal disease. Early immunization techniques must be used. Four to three days of oral ingestion should be given for the first time, and 50 to 60 days of intramuscular injection should be given for boosting. 3.3 Prevention of diarrhea in piglets caused by deficiency of trace elements in piglets anemia and selenium deficiency Nutritional anemia in piglets and selenium deficiency in piglets are the most common. One to three days after the birth of the piglets, 1 ml of iron preparations such as blood and ferritin are injected intramuscularly to prevent piglets from anemia. The addition of sodium selenite and vitamin E powders of 1500 g/ton and 2000 g/ton, respectively, in pregnancy, lactating sow feed and piglet feed not only reduces the occurrence of yellow, white psoriasis, and edematous diseases in piglets, but also increases the yield of sow litters. Counting, reducing piglet mortality and increasing the rate of weight gain have a good effect. 3.4 Adding antibacterial and growth-promoting agents Adding antibacterial and growth-promoting agents to feeds for piglets can increase feed utilization and prevent piglet diseases, especially for the prevention of bacterial diarrhea in piglets. 3.5 Prevention of Solubilization of Sows The disease usually occurs within 1 to 3 days after the sow's postpartum period. The piglets are unable to suck colostrum and cause malnutrition, diarrhea, and eventually fail to die. Since breast milk is the only source of nutrition for newborn piglets to maintain normal physiological needs and growth, and is an effective way for piglets to obtain immunity, the prevention of atusitis in sows is an effective way to promote growth and survival of piglets. The main preventive measures are: 1 daily feed volume per sow: 2.0 to 2.2 kg in the pre-pregnancy period and 2.5 to 3.0 kg in the second trimester. Each kg of diet should contain 12.97 MJ of digestible energy, 14% crude protein, 0.9% calcium, 0.7% phosphorus, and 0.6% lysine. 2 Pregnant sows should maintain proper amount of exercise, should be transferred to the delivery room in the prenatal week to adapt to the environment, in order to reduce the stress of delivery, postpartum 2 to 3 days intramuscular injection of prostaglandin 2ml or oxytocin 20 to 30 international units. 4 The use of full-priced feed, rational use of additives Piglets are very important to attract food. To maintain the high growth rate and survival rate of piglets, full-price compound feed must be used to ensure complete nutrition, high digestibility, and good palatability. Piglet starters should use high-quality, high-protein and low-fiber raw materials such as skimmed milk powder, fish meal, puffed soybeans and cooked corn to prepare piglet feed. The content of crude protein in feed should reach 20% to 22%, and the crude protein content of early weaned piglets should not be less than 18%. In the feed for piglets, attention should be paid especially to the balance of amino acid, egg to energy ratio, and constant and trace elements. Considering limiting amino acids, a lysine content of 1.15% to 1.25% is suitable. The key elements of the constant element are the Ca and P content and their proportions. The main trace elements are Se (0.05 to 0.30 mg/kg) and Zn (3000 mg/kg). In addition to the use of conventional feed, vitamins, minerals and trace elements, it is advisable to use some additives based on the physiological characteristics of piglets: (1) Diets must contain digestive enzymes such as amylases and proteases to supplement the digestive enzymes in the digestive tract of piglets. . (2) Acidification of organic acids such as citric acid and fumarate should be added to the feed to make up for the lack of stomach acid in the digestive tract, enhance the activity of digestive enzymes, and promote the digestion and absorption of nutrients. 3 Add probiotics and other micro-ecological regulators to help improve the digestive function of piglets, promote the reproduction of beneficial microorganisms in the gastrointestinal tract, and maintain piglet health. 4 Add flavoring agents to enhance the appetite of the piglets and promote feed intake. 5 Add anti-stress relief substances such as sodium bicarbonate, potassium chloride, and vitamin C to regulate electrolyte balance in the body. In the feeding times, small meals should be carried out, not less than 5-6 times a day, and they should be fed at night. At the same time, the feed should be fed in a paste form to promote digestion and absorption of nutrients by the piglets. Raising piglet weight gain and survival rate is a problem for many pig farms (households). After our follow-up investigations on a number of pig farms in recent years, we have found that as long as scientific and reasonable measures are taken, feed management and piglets are also strengthened. Immunity prevention, etc., can effectively increase piglet weight gain and survival rate. (Author: Zhengjun Fu Chun-Xia Liu Dong Ying change: Henan Xinxiang County Agriculture and Animal Husbandry)

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