What is the feeding value of feather meal pigs?

Feather powder contains approximately 70% of digestible crude protein, and also contains 17 kinds of amino acids, with the highest content of cystine and arginine. Adding 1%-2% feather meal to the diet can replace the same amount of fish meal, but the keratin protein in the feathers cannot be digested without treatment, and the digestibility of the protein after heating (140°C, 90 minutes) and pressurization It can be increased to 70%-75%.

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