M. Oguike, G. Igboeli, S. Ibe, and M. Uzoukwu, “Effect of Day Length and Feed/Water Regime on Induction of Feather Moult and Subsequent Laying Performance in the Domestic Fowl”, Int. J. Poult. Sci., vol. 3, no. 8, pp. 507–512, Jul. 2004, doi: 10.3923/ijps.2004.507.512.