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Presents results of a data collected over a 10-year period on 1,778 service intervals in 1,111 Arsi (Bos indicus) cows at the Ethiopian Ministry of Agriculture ranch to analyse conception rate at first service, interval between services in animals returning for insemination, the number of short c...


Mukasa-Mugerwa, E.Tegegne, AzageTeklu, Y.[Characterization of service intervals and frequency of short oestrus cycles in Zebu (Bos indicus) cows in Ethiopia]Characterization of service intervals and frequency of short oestrus cycles in Zebu (Bos indicus) cows in Ethiopia

Assesses the effect of cow-calf association and continuous suckling on the resumption of oestral activity; and monitors the temporal patterns of plasma progesterone during the post-partum period in grazing Ethiopian Small East African Zebu cows under uncontrolled mating.


Mukasa-Mugerwa, E.Tegegne, AzageFranceschini, R.[Influence of suckling and continuous cow-calf association on the resumption of post-partum ovarian function in Bos indicus cows monitored by plasma progesterone profiles]Influence of suckling and continuous cow-calf association on the resumption of post-partum ovarian function in Bos indicus cows monitored by plasma progesterone profiles

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

Approximately 390 East African Zebu calves from birth to 3 years of age and their dams were monitored monthly from 1986 to 1992 in nine village herds in an area of high trypanosomiasis risk in southwest Ethiopia where there was resistance to all available trypanocidal drugs. Cattle were individua...


Rowlands, G.J.Mulatu, W.Authié, E.D'Ieteren, G.D.M.Leak, S.G.A.Nagda, S.M.[Effects of trypanosomiasis on growth and mortality of young East African Zebu cattle exposed to drug-resistant trypanosomes]Effects of trypanosomiasis on growth and mortality of young East African Zebu cattle exposed to drug-resistant trypanosomes

An experiment was carried out to evaluate dairy performance and rumen fermentation from a forage-based diet supplemented with Leucaena leucocephala (leucaena) and maize bran. Bos indicus (Ayrshire/Brown Swiss) X Bos taurus (Sahiwal) cattle were offered Pennisetum purpureum (napier grass) ad libit...


Muinga, R.W.Topps, J.H.Rooke, J.A.Thorpe, W.R.[The effect of supplementation with Leucaena leucocephala and maize bran on voluntary food intake, digestibility, live weight and milk yield of Bos indicus X Bos taurus dairy cows and rumen fermentation in steers offered Pennisetum purpureum ad libitum in the semi-humid tropics]The effect of supplementation with Leucaena leucocephala and maize bran on voluntary food intake, digestibility, live weight and milk yield of Bos indicus X Bos taurus dairy cows and rumen fermentation in steers offered Pennisetum purpureum ad libitum in the semi-humid tropics

The paper evaluates the effects of forage type and level of concentrate supplementation on forage intake, diet apparent digestibility, purine excretion and milk production. Twelve crossbred cows (Bos taurus X Bos indicus), in early lactation were allocated to the following six dietary treatments:...


Khalili, H.Osuji, P.O.Umunna, N.N.Crosse, S.[The effects of forage type (maize-lablab or oat-vetch) and level of supplementation (wheat-middlings) on food intake, diet apparent digestibility, purine excretion and milk production of crossbred (Bos taurus X Bos indicus) cows]The effects of forage type (maize-lablab or oat-vetch) and level of supplementation (wheat-middlings) on food intake, diet apparent digestibility, purine excretion and milk production of crossbred (Bos taurus X Bos indicus) cows

Analyses reproductive data on 4123 inseminations from 2332 breeding records of 1237 Arsi (Bos indicus) cows, collected between 1982 and early 1989 from the Gobe ranch of the Ethiopian Ministry of Agriculture where cows were kept under similar management; and concludes that long post partum anoest...


Mukasa-Mugerwa, E.Tegegne, AzageMesfin, T.Teklu, Y.[Reproductive efficiency of Bos indicus (Zebu) cows under artificial insemination management in Ethiopia]Reproductive efficiency of Bos indicus (Zebu) cows under artificial insemination management in Ethiopia

Reports results of an experiment conducted to determine the effect of diet restriction on work performance and body weight in crossbred and local oxen worked as singles in farmers' fields around Debre Zeit, Ethiopia, during the normal cultivation season.


Astatke, A.Reed, J.D.Butterworth, M.H.[Effect of diet restriction on work performance and weight loss of local Zebu and Friesian X Boran crossbred oxen]Effect of diet restriction on work performance and weight loss of local Zebu and Friesian X Boran crossbred oxen

An experiment was conducted with Friesian X Zebu (Boran) crossbred growing steers to compare an agro-industrial by-product, wheat middling cowpea hay, and wilted forages of leucaena and tagasaste as cattle feed. These feeds were fed daily to supplement the basal diet of native hay. A mineral supp...


Varvikko, T.Khalili, H.Crosse, S.[Supplementation of native grass hay with cowpea (Vigna unguiculata) hay, wilted leucaena (Leucaena leucocephala) forage, wilted tagasaste (Chamaecytisus palmensis) forage or a wheat middling for young Friesian X Zebu (Boran) crossbred steers]Supplementation of native grass hay with cowpea (Vigna unguiculata) hay, wilted leucaena (Leucaena leucocephala) forage, wilted tagasaste (Chamaecytisus palmensis) forage or a wheat middling for young Friesian X Zebu (Boran) crossbred steers

Describes the production and herd characteristics of Zebu cattle in Arusha, northern Tanzania. Uses the production and herd structure parameters in a simulation of herd growth, under various rates of mortality, production and offtake.


Ngategize, P.K.[Economic evaluation of improved management for Zebu cattle in northern Tanzania]Economic evaluation of improved management for Zebu cattle in northern Tanzania

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