Study of parents influence on some productive features of Friesian cows

Study of parents influence on some productive features of Friesian cows

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From analysis of Records of the Daughters Sires (Bandy.Thamer, 51, Bulbl, Gorge , Anber ,Roger , 71753 and 251) that are used in artificial in Siemens LC87KHM60B iQ300 80cm Angled Cooker Hood - Black 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 Belts of milk production to study the persistency of milk production.The Sires were significantly effect (P While the sires were significantly effected ( P.