TY JOUR TI Streptomyces and Bacillus Keratinases: Properties and Uses KW Keratinolytic activity KW keratinase KW feather-down waste KW waste processing KW screening of microorganisms KW feed protein JO Food Processing: Techniques and Technology AU Dmitrieva, A.I. AU Alexeyenko, A.V. AU Belova, D.D. AU Piskaeva, N.I. AU Tereshchuk, L.V. PY 2020 IS 50 PB Kemerovo State University