ESTIMATION OF GENETIC PARAMETERS FOR MILK YIELD IN THE FIRST THREE LACTATIONS OF HOLSTEIN COWS USING RANDOM REGRESSION MODEL

Document Type : Original Article

Authors

• Neivein Gamal ¹
• Manal Elsayed ²
• Salah Galal ²

¹ Scientific Computation Unit, Faculty of Agriculture, Ain Shams University, Shoubra El-Khaima, Cairo, Egypt,

² Animal Production Department, Faculty of Agriculture, Ain Shams University, Shoubra El-Khaima, Cairo, Egypt

Keywords

• Random regression model
• Incomplete Gamma Function
• genetic parameters
• Test-day milk yield
• lactation curve
• Holstein