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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

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

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

Lema, M. ,  Kassa, T. ,  Tegegne, Azage ,  [Major health problems of dairy cattle in market-oriented urban and peri-urban production systems in the central highlands of Ethiopia] ,  Major health problems of dairy cattle in market-oriented urban and peri-urban production systems in the central highlands of Ethiopia

Tegegne, Azage ,  Witru, G. ,  Mukasa-Mugerwa, E. ,  Kassa, T. ,  [Oestrus phenomenon and oestrus detection efficiency using androgenized cows and entire bulls in Boran and Boran x Friesian crossbred cows] ,  Oestrus phenomenon and oestrus detection efficiency using androgenized cows and entire bulls in Boran and Boran x Friesian crossbred cows

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