The Effect of Age at and Methods of Debeaking on Future Performance of White Leghorn Pullets

Poultry Science - Tập 54 - Trang 666-674 - 1975
Alfredo N. Andrade1, J.R. Carson1
1Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907

Tài liệu tham khảo

Beane, 1967, Size of debeak guide and cauterization time on the performance of Leghorn chickens, Poultry Sci., 46, 1232 Bramhall, 1967, Development of precision debeaking for week-old chicks, Poultry Sci., 46, 1237 Bramhall, 1966, Layer performance as affected by debeaking method and cage density, Poultry Sci., 45, 1072 Morgan, 1957, Effect of day-old debeaking on the performance of pullets, Poultry Sci., 36, 208, 10.3382/ps.0360208 Slinger, 1962, The effects of debeaking at eight weeks of age on the grit consumption, weight gains and feed efficiencies of growing pullets, Poultry Sci., 41, 1614, 10.3382/ps.0411614 Steel, 1960