Figure 4:

Primary screening of keratinase producing strains on skimmed milk agar plate after flooded with 10% Trichloroacetic acid demonstrated transparent zone of hydrolysis and identified as (a) Bacillus cereus (b) Bacillus altitudinis (c) Bacillus subtilis (d) Bacillus velezensis (e) Bacillus flexus (f) Bacillus alcaligenes and (g) Bacillus licheniformis.