Sows are mostly due to a debilitating sow's postpartum constitution, unable to stand on the limbs, and a disease that causes paralysis due to diminished consciousness. It is also known as postpartum wind and is a common cause of sows. The disease is mainly caused by insufficient or unbalanced calcium and phosphorus in the diet, long-term feeding of concentrates such as corn, cereals, and legumes, inorganic phosphorus deficiency, or excessive production intensity, which causes sow production. In the 20 days of lactation, the loss of calcium and phosphorus in the body reached the highest point, and the occurrence of pupa was the most in 15 to 35 days after giving birth. The sows have a loss of appetite or food refusal before being slaughtered. The action is sluggish. The general excrement is hard and the drinking water is refreshed. There are arches and different foods. The body temperature and pulse are normal. After the encounter, there is arched back, constipation, stagnation, standing can not be sustained, exchange steps, hindquarters swaying, loss of consciousness, serious lying in the ground, screaming when touched, lactation decreased, refused to breastfeed. If not treated, the sow's body will wear thin until it dies. Although the mortality of the disease is low, it causes the sow to lose its feeding value, affects the growth and development of the piglets, even causes the piglets to die, and the economic loss is very large. It should be highly valued. First, the cause of the disease Modern veterinary medicine believes that postpartum lactation affects the blood calcium content and causes the disease. In addition, malnutrition, improper feeding and management, such as lack of calcium during pregnancy or calcium and phosphorus ratio imbalance; lack of feed or nutritional incomplete; postpartum blood loss; cold climate in early spring, sows lack of exercise; housing cold and humid, cold winds lead to Meridian block can cause the disease. In addition, the lack of sunlight, the fetus is too large, damage to the sciatic nerve during midwifery and other factors can also cause the disease. The sow has a depressed postpartum spirit, loss of appetite, decreased lactation, rapid heartbeat, unstable standing, weakness in both hindquarters, and erratic walking. Can not stand in the late stage, often lying on the ground, the head to the lower jaw, the two hind legs were separated by a figure eight, and eventually squat. The long-term sows lose muscle and sometimes acne develops. Second, preventive measures Normally, shell powder, eggshell powder and calcium carbonate should be supplemented in pig diets; bone powder, fishmeal, and bone soup should be supplemented during late pregnancy and lactation, and high quality hay powder and beans should be supplemented in winter and spring and rainy seasons. Herbage grass (grass) and green feed; pighouses should be kept clean and dry; after sows are born, the pighouses should be covered with grass; cold winds should be prevented, and the pighouses should be kept warm and spacious with sufficient sunlight; sows In the gestation period should be more sun, daily sows to exercise in the sun for 2 to 3 hours, feed easily digestible and rich in protein, minerals and vitamins feed, calcium and phosphorus ratio should be appropriate; have a history of postpartum history In sows, 100 ml of 10% calcium gluconate was injected intravenously 20 days before delivery, once a week to prevent the occurrence of the disease. Third, the treatment Bone meal is added to the feed, 30-50 grams per pig per day; or 3-6 grams of superphosphate or bone meal is added to the feed each day, and fed for 10-15 days; the nipple and lactation needle are sterilized using a 100-ml syringe Inflate into the breast, the breasts bulging slightly stop the pumping, the purpose is to reduce the amount of milk, thereby reducing the loss of calcium in the blood. Intramuscular injection of vitamin D butyl calcium injection in 5 to 10 ml every 3 days; 1 to 10% calcium gluconate injection 100 to 150 ml once in one intravenous injection once a day; 10% glucose available for severely ill pigs Calcium acid injection 100 ~ 200 ml, 12.5% ​​vitamin C10 ml, compound sodium salicylate 20 ml, 50% glucose 500 ml, once intravenously, once every 5 days, repeated medication once, with good results. Chinese medicine therapy available keel 300 grams, Angelica, Rehmannia each 50 grams, 15 grams of safflower, malt 400 grams, decoction twice, combined twice a day sooner or later, gavage daily, with 3 doses, a significant effect. Or use Angelica, wind, earthworms, black snakes each 25 grams, safflower, earthworms 20 grams, 12 grams of myrrh, Dragon's Blood 15 grams, rice wine cited, warm water adjustment, a feeding.
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