EFFECT OF GIBBERELLIC ACID ON SOME PHYSIOLOGICAL; REPRODUCTIVE AND HATCHABILITY PARAMETERS OF LAYING HENS DURING WINTER AND SUMMER SEASONS

Document Type : Original Article

Authors

• A. A. Askar
• E. I. Ismaeil

Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt

Keywords

• Gibberellic acid
• egg quality
• blood components
• fertility
• hatchability
• laying hens