The relevance of the use of biotechnological methods for the recycling of feather wastes into agriculture fertilizers are described. Strains of microorganisms (Bacillus pumilus AL16, Microbacterium terregens AC1180, Aeromonas sp. B5376, Arthrobacter globiformis AC1529, Streptomyces olivocinereus AC1169, Acinetobacter sp. B3905) with the ability to multistage hydrolysis of complex compounds included in the waste and having antagonistic activity against pathogenic microorganisms are selected. Maximum biomass increase seen when using tryptone and maltose as carbon and nitrogen sources are founded. The optimal composition of the medium is, g/dm³: maltose – 8 tryptone – 8 sodium chloride – 6. The optimal parameters of the cultivation of microbial consortium for recycling of feather wastes into agricultural fertilizers are established: the temperature optimum – 38±2 °C, the duration of cultivation – 22±1 h, the mixing rate – 90±2 rpm, the pH rate – 7, the amount of oxygen supply – 1,132 dm³/min.