Practice has proved that simple processing and modulation of livestock and poultry feed before feeding can greatly increase their utilization rate and improve the feeding effect. The following describes 13 kinds of processing modulation methods for reference selection. 1. Shredded straw, yam, grass, hay, etc. should be chopped and fed to livestock. The pigs' vegetables are cut into 1 to 2 centimeters to achieve the effect of “three-inch cutting and three-knife cutting.†2, powdered hay, grain and other feed, must be finely powdered and then fed to help digestion. The degree of chalking should be based on feed and livestock species. The feed for pigs and cattle can be crushed to about 1 to 2 mm in thickness, and the chicken feed should be ground to a coarse powder. 3, the slurry of sweet potatoes, cassava, beans and cakes and other feed, should be soaked after feeding, which is conducive to digestion, improve the feeding effect, but also reduce the feed of hydrocyanic acid and other toxins. 4. When germinated grain feed germinates and grows to 10 cm, its vitamin content, especially carotene and riboflavin, is extremely rich in vitamins. It is a good source of vitamins for livestock and young livestock. 5. After harvesting fresh green weathered feed, living cells are still oxidizing and depleting the nutrients in the feed, and the microorganisms multiply rapidly and deteriorate. Therefore, fresh green feed should be air-dried in time, but it should not be exposed to sunlight to avoid vitamin loss. 6, soften corn, wheat, sorghum and bean cakes, etc., should be light salt water before soaking, so that after softening and feeding, both the provincial feed, but also easy to digest, livestock and poultry like to eat. 7. Heated legume feeds should be processed and brewed by steaming to destroy the antitrypsin in the beans and increase the effective methionine and cystine in the legumes, which can increase the biological value of the feed and increase the palatability. The cooking time is about 50 minutes. 8, storage of the green material that is stored in a variety of pits, pools, tanks and non-toxic polyethylene plastic bags. Cellar storage can be fermented under anaerobic conditions to generate lactic acid to protect the nutrient of green material and improve the utilization rate and digestibility. The plastic bag silage is not mildewed for long-term storage, rich nutrition, and good palatability. 9. Basification alkalinization is performed with 1% lime milk. The water can be immersed in the feed, which is immersed for 24 hours and then fed without washing. After the feed is alkalized, the livestock can fully digest and absorb the nutrients and supplement calcium, magnesium, potassium, sodium and other trace elements, and can also increase the feed intake. And digestibility. 10, acidification with appropriate amount of phosphoric acid mix green storage, then add a little Glauber's salt, can increase the sulfur content of feed, help non-protein compounds to form bacterial protein, enhance the vitality of lactic acid bacteria, thereby increasing the nutritional value. 11, ammoniated raw material first cut into 2 ~ 3 cm, each 100 kg of crude material is 15% of ammonia 12 kg ~ 15 kg, layered compaction, layer by layer spray, seal. Ammoxidation can be performed at room temperature 25 to 30°C for 7 days. Full aeration in Kaifeng, so that the residual ammonia volatilization and then fed, the nutritional value of crude material after ammoniation increased significantly, such as straw containing crude protein than untreated straw 40% to 80%. 12. Formaldehyde treatment of feed, silage, and hay can increase its nutritional value. For example, when poaceae and leguminous mixed silage was added with 0.12% formaldehyde and 0.14% formic acid, the heat loss was low, and the destruction of the protein was almost completely prevented during the silage process, and at the same time the non-soluble silage was increased. Protein nutrients. 13, saccharification 100 kg of crude material added to the prepared enzyme (Qi medicine) 2 ~ 5 kg, add 100 kg of water and stir well into the cylinder closed, so that the temperature rises to about 40 °C, and then feed compression, sealing, temperature control After 2 to 4 days, feeding can be taken. After the feed is saccharified, it has the characteristics of acid, sweet, fragrant, soft and cooked, excellent palatability, and the livestock and poultry love to eat and feed well. China Agricultural Network Editor
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