1 Constipation: Why does the sow diet contain more crude fiber than the hog, but does the defecation still be harder than the hog? Because sows produce udder edema, pigs do not. Sows can cause constipation because a large amount of water in the body of the four-legged ground will flow to the breast and cause udder swelling. If the problem is not solved for breast edema, the problem of constipation cannot be improved only by adding high-fiber raw materials (such as bran) to the sow feed, and the addition of bran has the following disadvantages: (1) Reducing the nutritional concentration of the formula 2 Occupies space in the sow's stomach to reduce the nutrients the sow can absorb; 3 Bran produces a large amount of food-heating, which causes the sow's body temperature to rise, and causes the sows to become anorectic after giving birth. Solution: Eliminate breast edema, adjust the balance of osmotic pressure in the body, promote intestinal motility and eliminate constipation. 2 The problem of lack of milk: 42.5% of the causes of death of piglets are sows' lack of milk. What causes the lack of milk in sows? 1 mastitis. 2 breast edema. According to the findings of anatomy, the occurrence of lactation in sows has edema in the breast tissue. Breast edema is an inevitable physiological phenomenon of sows. If you do not pay attention to it, it will often turn into mastitis, which leads to lack of milk. 3 bacterial and viral infections. Should pay attention to the disinfection of the delivery house. Solution: Eliminate breast edema fluid, adjust breast lactation function, promote normal lactation function. 3 Dystocia problem: how to prevent sows from giving birth, how should they be prevented? Causes: 1 According to the statistics, the last 1/3 of the pigs in each litter died from suffocation. The reason is that the umbilical cord of the piglet is better than the sow's uterine horn. It is short, so in the late stage of delivery, since the umbilical cord has broken at the time of discharge, if the sow suffers from anemia, fatigue, and inability to contract, the piglet cannot be discharged in time, and the piglet will die within 5 minutes due to suffocation. 2 heat stress; 3 anemia or disease. Prevention methods: 1 Raise the nutritional level of sows and prevent anemia. ;2 Add fine organic iron in the sow feed to increase the contractility of the sow's abdomen; 3 reduce heat stress and reduce the content of crude fiber in the feed; 4 emphasis on the disinfection of the farrowing house. 4 Breast Immunity: Why does the sow hit the vaccine and the pig is still sick? Is the vaccine ineffective? Newly born piglets must be able to obtain antibodies from the sow's milk in order to resist the pathogens in the environment. So if the sows are short of milk, little milk or poor milk quality, even if the sow has been vaccinated, the piglet Still squat, still have bristles and so on. Therefore, sows must increase feed nutrient content before they are born, and adjust breast lactation function to prevent breast edema. 5 Breeding and oldness are not good enough: The sow had had estrus, but is it not always suitable? Most people encounter this problem most often think of metritis or vaginitis, but in fact there is a potential and neglected factor --- mycotoxin. The mycotoxin (F-2 toxin) acts like an estrogen, so the sow will have estrus, but when the sow's estrogen is too high, the sow cannot get pregnant and will not be able to keep it. 6 Foot problem: Causes of hoof disease? Soft feet: 1 Suck the sow on a slippery floor, causing strain on the feet and causing abnormalities in the bones. 2 When the sow has good lactation capacity or when the lactation level is increased, if there is no additional supplemental calcium and phosphorus, it will lead to weaning leg disease. Arthritis: You must rely on disinfection to reduce the incidence. Hoof crack: The cause of hoof cracking is due to the lack of biotin, in addition to the rough floor of the pig house. In addition, pigs lacking biotin are easily scratched and have an increased risk of infecting pathogens through the wound. 7 Anorexia: How to improve sows’ anorexia status? 1 Prevent the occurrence of breast edema in sows; 2 Avoid sows after parturition; 3 Reduce sow's body temperature. Use dripping devices. Improve the environment, reduce ammonia and temperature, reduce the content of crude fiber in sow feed (such as bran) to reduce food heat; 4 take a small meal and multiple meals and use wet materials. 5 Increase the palatability of sow feed. 8 No estrus issue: Why are sows not estrus? 1 Ovarian quiescence; 2 Endocrine imbalance. When the prolamine content in the sow is high, the amount of estrus can not be increased. When the sow's milk is very low, the body will secrete more prolactin to stimulate the secretion of milk, so that after weaning, the estrus will be delayed or not obvious, sows with good milking ability, as long as nutritional supplements properly However, the sows that are poorer than their lactating counterparts are prone to estrus. 3 Body fat is not sufficient. If the sow loses too much weight during lactation, the sow will cause no estrus after weaning and should increase energy and not limit feeding.
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