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Autor: Rege, J.E.O.

The Kenya Livestock Recording Centre progeny testing data base covering the period 1968 through 1987 was used to estimate genetic and phenotypic trends in Friesian cattle for milk yield of all lactations, first lactation milk yield, age at first calving, and calving interval. Annual genetic and p...


Rege, J.E.O.[Genetic analysis of reproductive and productive performance of Friesian cattle in Kenya. II. Genetic and phenotypic trends]Genetic analysis of reproductive and productive performance of Friesian cattle in Kenya. II. Genetic and phenotypic trends

Hybridization between wild and domestic bovine species occurs worldwide either spontaneously or by organized crossing. We have analysed hybridization of banteng (Bos javanicus) and zebu (Bos indicus) in south-east Asian cattle using mitochondrial DNA (PCR-RFLP and sequencing), AFLP, satellite fr...


Nijman, I.J.Otsen, M.Verkaar, E.L.C.Ruijter, C. deHanekamp, E.Ochieng, J.W.Shamshad, S.Rege, J.E.O.Hanotte, Olivier H.Barwegen, M.W.Sulawati, T.Lenstra, J.A.[Hybridization of Banteng (Bos javanicus) and Zebu (Bos indicus) revealed by mitochondrial DNA, satellite DNA, AFLP and microsatellites]Hybridization of Banteng (Bos javanicus) and Zebu (Bos indicus) revealed by mitochondrial DNA, satellite DNA, AFLP and microsatellites

The pattern of growth and carcass composition of indigenous Ethiopian fat tailed Menz and Horro lambs were assessed through serial slaughter and carcass dissection of 147 lambs at five different growth phases. The GLM procedure of Statistical Analysis Systems Institute and allometric growth equat...


Eneyew, N.Rottmann, O.J.Pirchner, F.Rege, J.E.O.[Growth and carcass composition of tropical fat-tailed Menz and Horro sheep breeds]Growth and carcass composition of tropical fat-tailed Menz and Horro sheep breeds

Haematological parameters were studied in 377 apparently healthy sheep comprising three indigenous breeds of Ethiopia. The effect of breed, age, gender and season on the haematological values was assessed. There was significant (P<0.01) breed difference for all erythrocytic series. Red blood cell...


Tibbo, MarkosAragaw, K.Abunna, F.Woldemeskel, M.Deressa, A.Dechassa, M.L.Rege, J.E.O.[Factors affecting haematological profiles in three indigenous Ethiopian sheep breeds]Factors affecting haematological profiles in three indigenous Ethiopian sheep breeds

A study was conducted at the Asella Station in the Arsi Region of Ethiopia to investigate the dairy performance of indigenous purebred Arsi and Friesian X Arsi crosses under different pre-partum and post-partum supplementary feeding regimes. A total of 343 first-lactation animals were involved in...


Kurtu, M.Y.Tawah, C.L.Rege, J.E.O.Alemayehu, N.Shibre, M.[Lactation performance of purebred Arsi cows and Friesian X Arsi crosses under pre-partum and post-partum supplementary feeding regimes]Lactation performance of purebred Arsi cows and Friesian X Arsi crosses under pre-partum and post-partum supplementary feeding regimes

The Genetic diversity and relationship of native Siri (Bos indicus) cattle populations of Bhutan were evaluated using 20 microsatellite markers. A total of 120 Siri cattle were sampled and were grouped into four populations according to their geographical locations which were named Siri West, Sir...


Dorji, T.Hanotte, Olivier H.Arbenz, M.Rege, J.E.O.Roder, W.[Genetic diversity of indigenous cattle populations in Bhutan: Implications for conservation]Genetic diversity of indigenous cattle populations in Bhutan: Implications for conservation
Ojango, Julie M.K.Mrode, Raphael A.Rege, J.E.O.Mujibi, D.Strucken, E.M.Gibson, John P.Okeyo Mwai, Ally[Genetic evaluation of test-day milk yields from smallholder dairy production systems in Kenya using genomic relationships]Genetic evaluation of test-day milk yields from smallholder dairy production systems in Kenya using genomic relationships

About 30% of all farm animal breeds worldwide are at risk of extinction. To prevent this irreversible erosion of genetic diversity, the limited funds available for conservation need to be allocated in the most efficient way. Applying the diversity concept of Weitzman [Quart. J. Econ. CVII (1992) ...


Simianer, H.Marti, S.Gibson, John P.Hanotte, Olivier H.Rege, J.E.O.[An approach to the optimal allocation of conservation funds to minimize loss of genetic diversity between livestock breeds]An approach to the optimal allocation of conservation funds to minimize loss of genetic diversity between livestock breeds

A comparative study on the response of four indigenous cattle breeds of Ethiopia, namely Abigar, Horro, Sheko and Gurage, to natural challenge of trypanosomosis in the Tolley–Gullele area of the Ghibe valley has been undertaken from August 2000 until August 2004. Fifty female yearlings each of Ho...


Lemecha, H.Mulatu, W.Hussein, I.Rege, J.E.O.Tekle, T.Abdicho, S.Ayalew, W.[Response of four indigenous cattle breeds to natural tsetse and trypanosomosis challenge in the Ghibe valley of Ethiopia]Response of four indigenous cattle breeds to natural tsetse and trypanosomosis challenge in the Ghibe valley of Ethiopia

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