1. Cut short straw, sweet potato vine, grass, hay, vegetables, straw, etc., must be cut short before they can be used to feed livestock. The straw that feeds the cow should be cut into 2-3 cm; the cabbage that feeds the pig should be cut into 1-2 cm; the sweet potato vine should be made about 1 cm. Generally should not be short to long, in order to achieve the "three-inch cut grass, no material also Shangyu" feeding effect. If impurities, sediment, etc., should be washed and sieved.
2. Crush help digestion of grain (grain), sweet potato, cassava and other feed, must be crushed and then feed to help digestion. The degree of crushing should be based on the type of feed and livestock. Pigs, cattle feed can be crushed or medium or coarse 1-2 mm; chicken feed should be ground into a powder. Sweet potatoes and cassava can be cut into slices and dried before they are crushed, and sweet potatoes can also be fed by beating.
3. Soaking to soften corn, wheat, sorghum, soybean cake and other feeds, the best before soaking with light salt and boiling water for some time, so that after softening and feeding, both to save feed, but also easy to digest, livestock and poultry like to eat. General material, water ratio is 1:2. The length of the soaking time should be determined according to the season and the type of feed, and the hot weather soaking time in summer should be short to prevent deterioration of the feed.
4. Steamed and tuned flesh beans, peas and soybeans, which are processed by cooking. Practice has shown that soybeans have been cooked and destroyed anti-trypsin in soybeans, increased palatability, improved digestibility and nutritional value; at the same time increased the effective methionine and cystine in soybean protein, increased the biological value of the protein . However, cooking time should not be too long, usually about 50 minutes.
5. Roasting sweet and sweet roasting is mainly a way to feed the piglet with a processing concentrate. The grain feed, especially the cereal grain feed, after passing through a high-temperature furnace at 130-150°C for a short time, part of the starch is converted into dextrin, which improves the utilization rate of the starch and eliminates harmful bacteria. The feed is sweet, delicious and crispy. Increase appetite, good feeding effect.
6. Silage Preservation The green material is stored in various pits, ponds, and tanks and fermented under anaerobic conditions to produce lactic acid. It can ensure the nutrients in green feed and improve the utilization and digestibility of green feed. It is also an effective measure to regulate the green season and off-season shortage, and supply the off-season green sweat feed.
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