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Afework, Y. ,  Tegegne, Azage ,  Kassa, T. ,  [Evaluation of the reproductive performance of crossbred dairy cows at the Asella livestock research station, Arsi, Ethiopia] ,  Evaluation of the reproductive performance of crossbred dairy cows at the Asella livestock research station, Arsi, Ethiopia

Negussie, F. ,  Kassa, T. ,  Tibbo, Markos ,  [Behavioural and physical signs associated with oestrus and some aspects of reproductive performance in Fogera cows and heifers] ,  Behavioural and physical signs associated with oestrus and some aspects of reproductive performance in Fogera cows and heifers