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Kassa, T. ,  Wirtu, G. ,  Tegegne, Azage ,  [Reproductive performance of crossbred dairy cattle under smallholder management conditions] ,  Reproductive performance of crossbred dairy cattle under smallholder management conditions

Kassa, T. ,  Tegegne, Azage ,  Shenkoru, T. ,  [Factors affecting postpartum reproductive performance of cows under smallholder management in Ethiopia] ,  Factors affecting postpartum reproductive performance of cows under smallholder management in Ethiopia

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

Wirtu, G. ,  Tegegne, Azage ,  Kassa, T. ,  [Determination of accuracy of oestrus detection in zebu and crossbred cattle using plasma progesterone concentrations] ,  Determination of accuracy of oestrus detection in zebu and crossbred cattle using plasma progesterone concentrations

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

Kassa, T. ,  Tegegne, Azage ,  [Reproductive performance of indigenous zebu and Friesian x Zebu crossbred cows under smallholder management conditions in Ethiopia] ,  Reproductive performance of indigenous zebu and Friesian x Zebu crossbred cows under smallholder management conditions in Ethiopia

Tegegne, Azage ,  Kassa, T. ,  Mukasa-Mugerwa, E. ,  [Aspects of bull reproduction with emphasis on cattle in Ethiopia. I. Sexual Development and onset of puberty] ,  Aspects of bull reproduction with emphasis on cattle in Ethiopia. I. Sexual Development and onset of puberty

Tegegne, Azage ,  Kassa, T. ,  Mukasa-Mugerwa, E. ,  [Aspects of bull reproduction with emphasis on cattle in Ethiopia. II. Sperm production capacity and semen characteristics] ,  Aspects of bull reproduction with emphasis on cattle in Ethiopia. II. Sperm production capacity and semen characteristics

Kassa, T. ,  Tegegne, Azage ,  [Major reproductive problems of zebu and Friesian x Zebu crossbred cows under small-scale dairy farms] ,  Major reproductive problems of zebu and Friesian x Zebu crossbred cows under small-scale dairy farms