Yan Li, Kai Zhan, Junying Li, Wei Liu, Ruiyu Ma, Shengnan Liu, Haijun Cui and Xin Zhang, 2018. Effects of Declawed Males on Laying Performances, Egg Quality Characteristics and Feather Cover of Layer Breeders in the Mating Cage. Pakistan J. Zool., 50: 1903-1908. DOI: http://dx.doi.org/10.17582/journal.pjz/2018.50.5.1903.1908