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1, the modulation method will be fresh potatoes to miscellaneous, to mud, crushed into a potato paste, and then mix in rice bran and a bag of microbial fermentation agent, mix well and adjust the mixture moisture content of 65% to 70%, and then not Breathable, watertight, sterile plastic bags or concrete pools. Lay a layer of bran, 25 to 30 cm thick, on the bottom layer, pour in the mixture, compact it with edges, and leave no gaps. Add a layer of bran to the top layer. Do not overfill it to prevent fermentation from spilling juice. , tightly sealed with plastic film, with a seam immediately covered.
2. Feeding method (1) After three days of silage fermentation, if the fermented material has sweetness, acid, and flavor, the content of the fermented material at that time and the proportion of the dioscorea per 50 kg of dry matter in the compound feed can be calculated. Using fermented yams, mix the cornmeal, bean cake, silkworm cocoons and special compound additives in the formula in proportion and feed them after mixing. Let him freely feed and drink enough water. Fermented feeds are kept sealed at all times after they are used.
(2) Mix the green fodder with the compound feed, mix and feed, then feed the 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, a reasonable amount of feed according to the pig's weight, age, gender, etc. to determine the amount of feeding, feeding too much, other feeds eat less, can not get a comprehensive nutrition. 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 on a daily basis. 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 per day. Formulated feed 1 to 1.25 kg.
4, Note Do not use raw sweet potatoes to feed pigs, easy to cause diarrhea, indigestion, 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.
5, poisoning The symptoms of potato poisoning in pigs often appear 3 to 4 days after eating, showing elevated body temperature, loss of appetite, constipation, fecal dry black into a ball, and often accompanied by mucus and blood. Once porcine poisoning is detected, laxatives may be given internally and gastric lavage may be performed with 0.1% to 0.2% potassium permanganate or 1% cupric sulfate; when metabolic dysfunction presents acidosis, 20% urotropine is available. Solution 50 to 100 ml intravenous injection; people with respiratory difficulties subcutaneous injection of aminophylline or atropine, nikethamide, etc.; weak heart can inject cardiac stimulants to enhance cardiac function, is conducive to rehabilitation.
Sweet potato feeding method
Sweet potato protein content is low, calcium, phosphorus, sodium and other minerals and vitamins are lacking. Feeding pigs with sweet potatoes for a long time can cause indigestion, affect the balanced absorption of various nutrients, and cause pigs to feel unwell. When feeding sweet potatoes, it is necessary to make a reasonable mix of ingredients to facilitate nutritional supplementation and promote healthy pig growth.