1. Immersion method The crushed pancakes, beans, grains and other concentrates are placed in a cylinder or barrel and soaked in water. The ratio of material to water is 1:1. Winter and spring with warm water, soak 4 to 6 hours; summer and autumn with cold water, soak 3 hours to feed the pig. 2. Seed feeds such as soybeans, wheat, sorghum, and corn fed to the piglets by the roasting method can all be roasted and processed to convert the starch in the feed to dextrins, increasing the aroma and improving the palatability of the feed. Raw soybeans contain antitrypsin. Roasting can destroy the activity of this enzyme and help digestion. Seed feeds used for feeding pigs and growing pigs are not suitable for roasting so as not to reduce the biological value of proteins, especially the limited amino acid (lysine) absorption rate. 3, cooking method can eliminate the anti-trypsin contained in raw soybean, improve the digestibility of soybean. Cold-pressed bean cakes and soybean meal should be cooked and fed; sweet potato boiled can increase feed intake by 10% to 17% compared to raw feed; wheat bran after steam treatment increases available energy by 30%; mixed feed for unclear sources, If the water, etc., should be cooked and fed. 4, the pulping method will crush the fine material, soaked in water to make. The grain feed can also be soaked in warm water (15~20°C) for 2 days. When it is softened with slightly sour taste, it can be grinded and fed to pigs to increase the appetite and increase feed intake. 5. Germination method The germination treatment of seed-like feedstuffs can convert part of the starch in the feed into maltose, improve palatability, and increase the content of carotene, vitamin B2 and vitamin E at the same time. Barley, wheat, oats, rice, etc. can be made into germination feeds to supplement the sources of vitamins for winter and early spring feed. 6. The fermentation method utilizes beneficial microorganisms, such as yeast, lactic acid bacteria, acetic acid bacteria, etc., grows and reproduces under suitable temperature conditions, and undergoes biochemical actions, so that the organic matters in the feed are converted into easily digestible amino acids, monosaccharides, etc. To improve feed palatability and utilization. Various types of green fodder, roughage, and some bran feeds can be fermented. The unit: Linyi City, Shandong Province, Jinhao Group, Southeast postal planting base
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