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These feeds should not be fed to pigs
Juicy vegetables, leaves and grass should not feed pigs. When these feeds are piled up for a long time, they are hot, moldy and corrupt, or cooked overnight in pots (crocks), the nitrates are reduced to nitrite. After feeding the pigs, it is easy to cause nitrite poisoning. Fresh sorghum seedlings, corn seedlings, and fresh flax leaves contain cyanogenic glycosides, which are piled, moldy, or frost-dried. Under the action of special enzymes in plants, cyanogenic glycosides are hydrolyzed and release highly toxic hydrogen cyanide. Hydrocyanic acid can cause pig poisoning even if its content is small. The regenerated seedlings harvested after corn and sorghum are more harmful after frost. Germinated potatoes and their stems and leaves cannot feed pigs. Potato germs and sun-illuminated epidermis contain solanine, and pigs eat sprouted potatoes and their stems and leaves, producing toxic paralysis. Sweet potato with black spot can cause pig poisoning. The diseased potato contains mycotoxins, which can cause poisoning in humans and animals. Raw bean feed, including soybeans, black beans, peas, beans, etc., contains a variety of harmful substances such as antitrypsin. Feeding affects the palatability and digestibility of the feed, and even causes pig diarrhea, which affects the weight gain. Therefore, legume feed must be cooked. Non-detoxified rapeseed cake contains sulphur glucoside and more tannins. The former can hydrolyze toxic isothiocyanates under the action of mustard enzymes; the latter can reduce the palatability of feed and cause constipation. Mildewed cakes, corn, glutinous rice, mixed and compound feeds cannot be fed to pigs. These moldy feeds often contain Aspergillus flavus, Aspergillus flavus, rust, etc., and poisoning occurs when the pig eats. Do not feed pigs with excessive distiller's grains. Distillers grains are a byproduct of the wine industry. Pigs were fed with distiller's grains and the amount was controlled. Usually, the proportion of distiller's grains in the diet should not exceed 30%, otherwise alcohol poisoning may occur.