I.G. Penchev Department of Morphology, Physiology and Nutrition, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 22 February 2019; accepted for publication 25 April 2019)   Abstract. The aim of the present research was to study the ch

A. Raji1*, S. Mbap2, G. Mohammed1, I. Kwari1 1Department of Animal Science, University of Maiduguri, Maiduguri, Nigeria 2Animal Production Programme, Abubakar Tafawa Balewa University, Bauchi, Nigeria Abstract. Some factors affecting the fertility and hatchability of Japanese quail eg