Resultados de búsqueda - Khalifa, H.A.A.

A study of some economic traits in a herd of Kenana cattle. Service period, calving interval and gestation period por Khalafallah, A.M., Khalifa, H.A.A.

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A study of some economic traits in a herd of Kenana cattle (Northern Sudan Zebu) I. Birth weight in Kenana cattle por Khalifa, H.A.A., Khalafallah, A.M.

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A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity por El-Khidir, O.A., Khalifa, H.A.A., Khalafallah, A.M., Gaili, E.S.E.

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