TY JOUR TI Screening of microorganisms which are able to accelerate the process of microbial transformation of bird droppings KW selection KW collection microorganisms KW Pseudomonas KW Bacillus KW proteolytic activity KW chicken droppings KW ratio KW biodegradation KW ammonium nitrogen KW total microbial count KW processing time KW application dose JO Agrarian Bulletin of the AU Luneva, A.V. PY 2021 IS 215 PB Ural State Agrarian University