Articles by Mohamed Mostafa (1)

Genetic and non Genetic Factors Affecting Days Open, Number of Services per Conception and Age at First Calving in a Herd of Holstien-Friesian Cattles

El-Said Z. M. Oudah, Nazem A. Shalaby and Mohamed A. Mostafa

Pakistan Journal of Biological Sciences 4 ( 6 ): 740 - 744 , 2001

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