Principles for weight control of meat breeder chickens

The body weight in the first 6 weeks should be controlled in the middle limit near the standard body weight range, and the age of 7 to 15 weeks should be controlled in the lower limit of the standard body weight. among them, the weight growth decreased within the lower limit of the restricted body weight range at the age of 7 to 12 weeks, and the body weight increased along the lower limit of the standard body weight at the age of 12 to 15 weeks, and the feeding restriction was the most stringent at the age of 16 weeks to the upper limit of the standard body weight range two weeks before the birth.