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Farming systems based on ox-cultivation is a millennium old tradition in Ethiopia. However, this farming system with its in high demand for grazing land, has come under increased pressure during the last century. Means of intensifying the mixed crop and livestock farming systems, which is predomi...


Larsen, C.E.S.Kumsa, T.Tegegne, Azage[Exotic dairy breed turns into exhausted dairy breed when forced to reproduce, lactate and perform work at the same time: On-farm testing of multipurpose breed, experience from Holetta area.]Exotic dairy breed turns into exhausted dairy breed when forced to reproduce, lactate and perform work at the same time: On-farm testing of multipurpose breed, experience from Holetta area.

The efficiency of cattle breeding and production depends to a large extent on the reproductive performance of the herd, with the bull playing a major role. Large differences in fertilizing ability between bulls exists, and such differences are due to the characteristics of individual bulls rather...


Tegegne, AzageKassa, 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

A total of 179 heifers, primiparous and multiparous Boran cows were assigned to four breeding units and mated over a 4 - month breeidng season in a single-sire mating system. Mean body weight and body condition scores at the beginning of mating ranged from 363 + 6 kg to 388 + 7 kg and from 6.7 + ...


Tegegne, AzageEntwistle, K.W.Mukasa-Mugerwa, E.[Factors affecting the reproductive performance of Boran (Bos indicus) cows in a single-sire mating system]Factors affecting the reproductive performance of Boran (Bos indicus) cows in a single-sire mating system

This study was conducted in the central highlands of Ethiopia during 1990-92 to examine the effects of diet and partial suckling on lactation and reproductive performance of Boran (Bos indicus) cows. Primiparous Boran cows were allocated to dietary supplementation or no supplementation with eithe...


Tegegne, AzageGeleto, A.Osuji, P.O.Kassa, T.Franceschini, R.[Influence of dietary supplementation and partial suckling on body weight and on lactation and reproductive performance of primiparous Boran (Bos indicus) cows in Ethiopia]Influence of dietary supplementation and partial suckling on body weight and on lactation and reproductive performance of primiparous Boran (Bos indicus) cows in Ethiopia

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