Fig. 1From: Bacillus sp. CSK2 produced thermostable alkaline keratinase using agro-wastes: keratinolytic enzyme characterizationEffect of a initial medium pH (3.0–11.0) b incubation temperature (25–40 °C) and c agitation speed (0–250 rpm) on extracellular keratinase production by Bacillus sp. CSK2Back to article page