Soybean leaves are rich in crude protein and crude fat, but also rich in calcium and phosphorus. Therefore, in the absence of protein feed, the use of soybean leaves to feed pigs is an effective way. There are three specific feeding methods: First, fresh feed. Fresh soybean leaves will be collected. Remove impurities and foreign matter, chopped, and mix directly in the pig's diet. The amount of feed is about 30% of the diet. For piglets under 30 kg, the chopped soybean leaves can be cooked in pots and fed into the pig's diet. The second is silage. Soybean leaves have low sugar content and rich protein content. Suitable for semi-dry silage. The method is: the soybean leaves are air-dried to a moisture content of about 50%, and then rough cut with a knife, and then into a silo, cylinder or plastic silage bags, compaction seal. When the pigs need to be fed, they are taken out of the diet of the pigs and the amount of feed is about 25% of the diet. The third is smashing. The soybean leaves are placed in a dry and ventilated place, dried to a moisture content of about 30%, and then exposed to the sun, dried quickly or placed in a drying room to reduce the moisture content to below 10%, and then pulverized into soybean leaves using a pulverizer. powder. This soybean leaf powder can be stored for a long time. When used to feed pigs, it can be directly mixed into the pig's diet, and the amount of feed can account for 20% to 40% of the diet. For soybean leaves used for pig feed, the best period for collection is the soybean wax ripening period. At this time, not only are the soybean leaves greener, the nutrition is good, and the crude fiber content is low; it will not affect the yield and quality of soybeans. China Agricultural Network Editor
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