, wool, human hair, and nails very remarkably. Relatedly, Fang et al. (2013) reported the degradation of wool waste by a keratinase-producing strain of Stenotrophomonas maltophilia. More interestingly, in a study carried out by Omran (2017), feather wastes were converted into anticancer and antimicrobial products after fermentation by a strain of Nocardiopsis sp