FIELD: biotechnology. SUBSTANCE: strain Streptomyces ornatus ВКПМ S-1220 is grown on the nutrient medium containing, g/l: potato starch 40; milled pen 20; NaCl 2.5; MnCl2 0.5; KH2PO4 1.5; CaCO3 4.0, and tap water up to 1 l. After 78 h cultivation keratinase activity is 7.3 U/ml. Preparation obtained from actinomycete Str. ornatus culture can be used for valuable protein lysates with high assimilation for chicken-broiler feeding. EFFECT: increased effectiveness of strain indicated above.
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Authors
Dates
1995-05-10—Published
1993-03-03—Filed