Sweet potato fermentation feed method

Sweet potato protein content is low, calcium, phosphorus, sodium and other minerals and vitamins, a long time, a single sweet potato feed to the pig, can cause indigestion, affect the balanced absorption of various nutrients, resulting in pig discomfort, irritability. When feeding sweet potatoes, it is necessary to make a reasonable match with the fine ingredients so as to complement each other. Promote healthy growth of pigs. (1) Preparation method: Mix the fresh potatoes in the recipe with mud and lumps, and pulverize them into potato pulp. Then stir in the rice bran and a bag of compound microbial starter, mix well and adjust the moisture content of the mixture to 65%~ 70%, re-inserted airtight, watertight, sterile plastic bags or concrete pool. First lay a layer of 25 to 30 cm thick bran on the bottom layer, then pour in the mixture, compact it with edges, and leave no gaps. Finally, cover the top with a layer of bran, which should not be filled too full. Fermentation overflows juice, tightly sealed with plastic film, often checked, and seams are immediately covered. (B) feeding method 1. After three days of silage fermentation, when the fermentation material has sweetness, acidity, and flavor, the daily fermented yam material can be converted and converted according to the water content of the fermented material at that time and the proportion of yam in the feed for every 50 kg of dry matter. The corn flour, bean cake, silkworm cocoon and special compound additives in the formula are blended in proportion, and the mixture is fed, free to feed, drink enough water, and the fermented feed is preserved at any time after being taken out. 2. First mix green feed with compound feed, mix and feed, then feed cooked sweet potatoes. Or feed the green feed first and then feed the cooked compound feed. Do less to add ground, regular ration, for enough drinking water, in order to help improve their digestive capacity. (3) Reasonable feeding amount According to the pig's weight, age, sex, etc. to determine the feeding amount, the feeding amount is too large, other feeds eat less, and no comprehensive nutrition can be obtained. In general, piglets, sows, breeders and boars should be fed less. The daily feed should be controlled at about 20% of the diet. For pigs weighing less than 35 kg, 1.5 to 2.5 kg of sweet potatoes and green feed should be fed each day. 0.8 kg of feed; 35 to 60 kg of pigs, 3.5 to 4.5 kg of sweet potato and green feed per day, 0.9 to 1 kg of formulated feed; 60 kg or more of pigs, 5 to 7.5 kg of sweet potato and green feed each day , with feed 1 ~ 1.25 kg. (4) Precautions Do not use raw sweet potatoes to feed pigs, otherwise it may cause diarrhea, indigestion and loss of appetite. Sweet potatoes should be chopped or beaten to be boiled or silaged and fed. Sweet potatoes should be fed in a timely manner and must not be placed too long. The diseased potatoes or their lesions should be removed in time to prevent poisoning. Piglets, sows and boars should be fed less sweet potatoes. If a large number of sweet potatoes are staple foods for a long period of time, neglecting the combination of protein feeds and green feeds will easily lead to swollen piglets. (E) poisoning to treat pig disease Potato poisoning often occurs 3 to 4 days after eating, showing elevated body temperature, loss of appetite, constipation, fecal dry black ball, and often accompanied by mucus and blood. Once porcine poisoning is found, laxatives may be given internally and gastric lavage may be performed with 0.1% to 0.2% potassium permanganate or 1% cupric sulfate solution; when metabolic dysfunction presents acidosis 20% solution of urotropine is available 50 to 100 ml of intravenous injection; patients with dyspnea subcutaneous injection of aminophylline or atropine, nikethamide, etc.; weak heart can inject cardiac stimulants and other cardiac functions, is conducive to rehabilitation. China Agricultural Network Editor

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