METHOD OF MANUFACTURING FODDER ADDITIVE FOR FARM ANIMALS AND POULTRY Russian patent published in 2018 - IPC A23K10/26 

FIELD: animal breeding.

SUBSTANCE: invention relates to livestock, in particular to a method for producing a feed additive for farm animals and poultry. Method is characterized in that the enzymatic hydrolysis of the feather bed is carried out under the following conditions: Hydromodule 8; duration of fermentation is 2 h; the dose of protease preparation Protease # 6230/2256, Unit/g of raw materials 13; dose of the enzyme preparation Protolad B, Unit/g of raw materials 30. In this case, the enzymatic hydrolysis of the feather was carried out at a constant temperature (55 ± 2 °C), concentration of sodium sulfite in the reaction medium is 0.5 % and the initial pH of the reaction mixture is 7.2.

EFFECT: use of the invention will make it possible to obtain a product with increased solubility.

1 cl, 4 ex