GENETIC AND PHENOTYPIC RELATIONSHIPS AMONG FIRST LACTATION TRAITS AND SOME LONGEVITY AND LIFETIME TRAITS IN FRIESIAN CATTLE.

Document Type : Original Article

Authors

• Hanaa Abdelharith ¹
• M. Abd-Elatife ²
• Elham Ghoneim ²
• M. Abd Elhamid ¹

¹ Animal Production Research Institute, Agricultural Research Center, Dokki, Giza, Egypt

² Dept. Animal Production, Faculty of Agriculture, Minoufya University, Minoufya, Egypt

Keywords

• Longevity
• lifetime
• genetic parameters
• breeding values and Friesian