Study of parents influence on some productive features of Friesian cows

Abstract

From analysis of Records of the Daughters Sires (Bandy . Thamer, 51, Bulbl, Gorge , Anber ,Roger , 71753 and 251) that are used in artificial in semination to the Friesian cows belong to AL - Latifia Company for animal to study the effect of the Sires on the Heifers Birth weight, total milk yield production , Daily milk yield ,first and second three month of milk production to study the persistency of milk production . The Sires were significantly effect (P While the sires were significantly effected ( P

Keywords

• friesian cows
• heifers