An experiment was conducted to study the effect of selective breeding of Japanese quails for improvement of performance. A total of 2765 quails were procured from Poultry Experimental Station as baseline population based on their body weight. Out of which 1850 quails with higher body weights were selected as parents to produce 1200 progeny quail chicks. The overall growth performance such as body weight, body weight gain and feed conversion ratio parameters were recorded weekly intervals till the birds attain six weeks of age, sex wise. | Selective breeding of Japanese quails for improvement of performance