Sweet potato is a good feed for pigs and has a good reminder effect. In order to reduce its side effects, it is important to pay attention to the following points when using sweet potatoes to feed pigs:
Not using sweet potatoes to feed sweet potatoes The nutritional value of sweet potatoes is high. They are rich in starch, carbohydrates, carotene and other nutrients, but the relative lack of protein, phosphorus and calcium. Therefore, when feeding, care should be taken to properly mix with other feeds to achieve a balanced nutritional effect and improve the utilization of sweet potatoes fed to pigs. The scientific pig feed formula is 45% sweet potato, 10% corn, 8% of beans, 7% of rapeseed cake, 2% of fishmeal, 16% of bran, 1% of bone meal, 0.5% of salt, and 0.5% of additive.
Avoid using raw sweet potatoes to feed pigs. Sweet potatoes have high starch content. When they are fed with raw sweet potatoes, pigs love to eat, but after eating, they can cause indigestion and cause abdominal distension and phlegm leakage. Therefore, cooked foods are generally used. With a ratio of 2:1, chopped sweet potatoes and white radish, and cook it thoroughly until it is not hot. Mix 0.5% salt and 8-10 pieces of dried dry yeast and feed it to increase the palatability. Sex, promotes digestion of pigs and reduces gastrointestinal discomfort in pigs and improves feed utilization.
Can not use rotten sweet potato to feed pig sweet potatoes grow in the soil, or in the storage process, easily infected with black spot disease, anthrax, soft rot and other pathogens, issued some unpleasant smell, and some even rot toxins. After the pig eats, it will poison or die. The severity of symptoms is directly proportional to the size of the pig and the amount of food. The symptoms are characterized by asthma and antifeedant. On the second day after eating, there will be fulminant illness. The body temperature of the sick pig will rise to 38.5°C-39.5°C. The spirit will be depressed, the appetite will be eliminated, the lying ground will be encouraged, the breathing will be forced, the abdominal breathing will be given, and the mouth will spit a small amount of foam. Tremor. Limbs, ears, tail slightly cold, uneven skin temperature, the skin has congestive points of different sizes, abdominal swelling, gastrointestinal peristaltic tone weakened or disappeared, with the top of the mouth, the limbs stretched out to death. In order to prevent feeding poisoning, fresh sweet potatoes are washed, drained, beaten, and silaged in cement tanks (pools) covered with plastic film. Then, the seal was sealed with about 10 cm thick mud. After 2-3 weeks of storage, the smell was fragrant and the quality was good. Pigs were very fond of eating. In the event of rotten sweet potato poisoning, intramuscular injection of 5% vitamin C, 10 ml per head, once daily; or intravenous injection of 10% sodium thiosulfate, 10-50 ml, 2 times daily, or oral administration of sodium sulfate and other laxatives . Oral 0.1% potassium permanganate water or hydrogen peroxide also has good control effect.
Piglets, sows and boars are not suitable for feeding. Fresh sweet potatoes, although rich in starch, are a good feed for finishing pigs, but due to their low protein, phosphorus and calcium content, they cannot be used as main ingredients for feeding piglets, sows, and sows. boar. Otherwise, it is easy to cause estrus in the sows, abortions in the middle and lactating sows lack of milk, resulting in swollen piglets, weight loss, loss of boar libido, semen quality. Therefore, when using fresh sweet potatoes to feed pigs, the proportion of their diets must strictly control the amount of their feed. General requirements are that piglets should not exceed 30%, sows should not exceed 15%, and boars should not exceed 10%.
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