Processing waste feathers into feather meal can be used as livestock feed. Adding 2.5% feather meal to the chicken feed can not only promote the growth and development of the chicken, cause the chicken to lay eggs in advance, and increase the egg production rate by about 25%. It can also prevent and treat the chicken's food and anal fistula. Adding a proper amount of feather meal in the pig feed can make the pig long and lean. The method of adding feather powder is as follows: Wash the feathers and other waste hairs with water to remove impurities, wash them and spread them to the cement site to dry them. High pressure cooking. Place the dried feathers in a pressure cooker and add 2% dilute hydrochloric acid that is 5 times the weight of the feather. Stir well. The autoclave was heated so that the pressure in the pan reached 2.5 kg, and after 1 hour, the fire was ceased and squatting for 4 hours. Press out the glue. When the pressure cooker is turned on, when the feather lightly pulls off, it means the feathers have been cooked thoroughly. Then you can remove the feathers and put them into the juicer to squeeze out the glue. Purge acid. Rinse the feathers that have been squeezed off with clean water, rinse the acid on the feathers, and spread them to dry. Machine smash. Dry feathers are pulverized into powder by a pulverizer, which is a feather powder. If no pressure cookers and other equipment are available, feathers can be processed into feather fluid. Method is: Wash the feathers, into the iron pan (not available aluminum pan), add 7 kg of water per kilogram of feathers to boil, then add 45 grams of calcium hydroxide, cook for 10 to 15 minutes with acute heat until the feathers dissolve into liquid , Feather fluid. If the amount of feather liquid is small, it can be mixed into the feed when feeding livestock and poultry; when the amount is large, it can be incorporated into the feed and dried and stored.
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