Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12896-020-00659-2/MediaObjects/12896_2020_659_Fig2_HTML.png)
Effect of a carbon source supplementation (1.0 g/L) b maltose concentration (0.8–10.0 g/L) and c chicken feather concentration (1.0–17.5 g/L) on extracellular keratinase production by Bacillus sp. CSK2
Effect of a carbon source supplementation (1.0 g/L) b maltose concentration (0.8–10.0 g/L) and c chicken feather concentration (1.0–17.5 g/L) on extracellular keratinase production by Bacillus sp. CSK2