A STUDY ON PRODUCTIVE AND REPRODUCTIVE PERFORMANCE OF COBB 500 BROILER PARENT STOCK IN KEARI POULTRY FARM, MYMENSINGH

Abstract

The study was conducted in the KEARI Poultry Hatchery & Process Limited, Trishal, Mymensingh from 20th October to 15th November 2013. The objective of the study was to compare the production and reproduction performance like the body weight gain, egg production percentage and hatchability percentage of egg of Cobb 500 broiler parent stock in the existing management system of KEARI Poultry Hatchery & Process Limited with the standard or targeted level. It was revealed that the achieved body weight in case of the female broiler breeder bird was always higher than the targeted body weight gain on an average & in case of male birds achieved body weight were maximum times higher than the targeted level but sometimes it was lower. The uniformity of the female birds was lower than the male birds at 1-6 & 49-60 weeks of age and at other times it was higher than the male birds. The hen day egg production and the hatchability percentage of the flock were always lower than the standard level.