Agrahari, S.; Wadhwa, N. Degradation of Chicken Feather a Poultry Waste Product by Keratinolytic Bacteria Isolated from Dumping Site at Ghazipur Poultry Processing Plant. Int. J. Poult. Sci. 2010, 9 (5), 482–489. https://doi.org/10.3923/ijps.2010.482.489.