Sanjoy Kumar Kabiraj,MS in Animal Breeding and Genetics,Bangladesh AgriculturalUniversity, Mymensingh-2202, Bangladesh.Dr. M. A. M. Yahia Khandoker,Professor, Department of Breeding and Genetics, BAU,Mymensingh-2202, Bangladesh.S. A. Masudul Hoque,Lecturer, Department of Breeding and Genetics, BSMRAU,Gazipur-1706, Bangladesh.