Sweet potato is rich in starch, carbohydrates, carotene and other nutrients, sweet and palatable, it is a good feed for pigs, but sweet potato protein and calcium, phosphorus content is low, and easy to rot in the storage process deterioration and production of toxins, so feed with sweet potatoes Pigs, should pay attention to the following points:

Keep feeding, do not feed alone. Sweet potatoes are high-energy feeds, and sweet potato should be mixed with corn, soybean cake, wheat bran, rice bran, fish meal, bone meal, additives and other feeds with high levels of protein, calcium, and phosphorus in order to ensure a balanced diet. In addition, the proportion of sweet potato in the whole feed should not exceed 50%, and do not use sweet potatoes alone to prevent malnutrition.

Adhere to cooked, do not feed. Many feeds are preferably fed raw, but the content of sweet potato starch is high. Raw feed can easily cause bloating and indigestion in pigs, which in turn can lead to food cessation and dropping. Therefore, feeding pigs with sweet potatoes must be kept cooked. It is best to chop the sweet potatoes and the radish that can promote digestion in a certain ratio (2:1), cook them stew, and let them dry until they are not hot, then mix them with appropriate amount of dry yeast. Note that cooked sweet potatoes should not be stored in the pot too long to prevent spoilage.

Feed only the sweet potatoes and don't feed them. Sweet potatoes deteriorate easily after long-term storage. Rotten sweet potatoes contain toxins and if they are not willing to be discarded for feeding pigs, the pigs are susceptible to symptoms of poisoning and even death. Therefore, only healthy sweet potatoes can be selected as feed. Rotten sweet potatoes should not be fed to pigs.

Only suitable for pig fat material. Since the sweet potato protein, calcium, phosphorus content is very low, only when the pig fattening fertilizer as the main ingredient. Feeding piglets, sows and boars as main materials can easily lead to edema and weight loss in sows, infrequent estrus in sows, abortions in the middle of the market, lack of milk in sows, loss of libido in boars, and decline in semen quality. Therefore, the proportion of sweet potato in the feed, piglets generally can not exceed 30%, sows can not exceed 15%, boar can not exceed 10%.

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