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Determines the prevalence of infections bovine rhinotracheitis/infections postular Vulvovaginitis (IBR/IPV) antibodies in cattle in central Ethiopia using the micro-enzyme-linked immunosorbent assay (ELISA) technique.
Determines the prevalence of brucellosis in indigenous cattle from Gobe and Ghibe (central Ethiopia).
Twenty-seven Boran and 37 Boran x Friesian bulls, weaned at six months of age, were allocated to either receive supplementary diet (16 percent crude protein and 10.8 MJ/kg DM energy) during the dry season or to serve as unsupplemented controls until 21 months of age. Body weight measurements were...
Examines milk production during early, middle and late phases of lactation in indigenous (Bos indicus) Arsi and Zebu cattle and their crosses with Jersey and Friesians. Analyses milk yield, lactation persistency and milk secretion coefficients.
The milk and meat productivity of Ethiopia's 27 million cattle is still low for the human population of 53 million, which grows at 2.9 percent yr and is expected to surpass 65 million at the end of this century. The present cattle population includes 40 percent (10.8 million) cows of breeding age...
Although the importance of bull reproduction in enhancing genetic progress and influencing cow herd fertility has long been recognized in many parts of the world, there has been very little attention paid to bulls in Ethiopia. Proper management of young bulls aims to improve growth rate so that t...
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...
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