Formaldehyde, sulfuric acid, urea oxidation treatment The fresh chicken manure was dispersed and dried, and 0.5% formalin was added for 24 hours; then 0.1% sulphuric acid was added and stirred for another 24 hours; finally, 3% to 5% urea was added to the piling, and the mixture was oxidized after mixing. 24 hours, stacking for 24 hours, bulk dry, processing crushing after use, each batch of 10 to 15 days to complete. The chicken manure treated according to this method is non-toxic, colorless and odorless, and has good palatability for pigs. The optimum dietary proportion is 10% to 15%. Phosphoric acid, propionic acid, acetic acid treatment According to the total chicken manure 0.25% to 0.5% add the following chemicals: 1% of calcium phosphate or phosphoric acid, 80% of propionic acid, 20% of vinegar, stacked 5 to 14 days, used after processing crush. This method can also effectively treat chicken manure, which is convenient and practical, without environmental pollution. Thermal spray method This approach is similar to "popcorn." The chicken manure was first dried to make its water content less than 30%, and then injected into a heat sprayer for heat treatment. The hot-flooded chicken manure is rich in nutrient content, with a protein content of 25% to 34%, a total amino acid content of 8.09% to 10.73%, and an organic matter digestibility of 62.5% to 81.9%. It is an excellent protein feed. Mixed silage method It is possible to mix chicken manure with chopped green corn stalks by using cellar storage, bag storage and heap storage methods. Chicken manure accounts for 30% and corn stover accounts for 70%. The method of operation is similar to that of ordinary feed silage, compacted with edges to reduce residual air and filled with seals. After 30 days, the top of the pit is opened and a scent of wine is heard, indicating that the silage is successful and can be accessed layer by layer. Chicken manure fermented by silage has sourness, sweetness, aroma and wine taste, good palatability, quick weight gain for feeding poultry, smooth fur, strong physique, strong resistance, low incidence, and cattle and sheep love to eat . Insert Pad, the super absorbent core layer adopts a combined absorption structure of polymer absorbent and fluff pulp. It
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