Fig. 4

Effect of culturing conditions on the keratinase production by B. cereus YQ15 using the optimal medium. a, pH; b, Temperature; c, Inoculum density; d, Rotate speed
Effect of culturing conditions on the keratinase production by B. cereus YQ15 using the optimal medium. a, pH; b, Temperature; c, Inoculum density; d, Rotate speed