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Ítem Crossbreeding cattle in beef production programmes in Kenya. I. Comparison of purebred Boran and Boran crossed with the Charolais, Ayrshire and Santa Gertrudis breeds(Springer) Gregory, K.E.; Trail, J.C.M.; Sandford, J.; Durkin, J.W.Ítem Productivity of Boran cattle maintained with chemoprophylaxis under high tsetse challenge at Mkwaja ranch in Tanzania. 2. ProductivityTrail, J.C.M.; Murray, M.; Sones, Keith R.; Jibbo, J.M.C.; Durkin, J.W.; Light, D.E.Ítem Performance of free roaming West African dwarf goats in Southwest Nigeria(International Livestock Centre for Africa) Adeoye, S.A.O.; Reynolds, L.; Trail, J.C.M.; Durkin, J.W.; Light, D.E.Ítem Productivity of ranch N'Dama cattle under trypanosomiasis riskFeron, A.; D'Ieteren, G.D.M.; Durkin, J.W.; Kakiese, O.; Maehl, J.H.H.; Mulungo, M.; Nagda, S.M.; Paling, R.W.; Pelo, M.; Rarieya, J.M.; Sheria, M.; Thorpe, W.R.; Trail, J.C.M.Ítem Crossbreeding cattle in beef production programmes in Kenya. II. Comparison of purebred Boran and Boran crossed with the Red Poll and Santa Gertrudis breeds(Springer) Trail, J.C.M.; Gregory, K.E.; Durkin, J.W.; Sandford, J.Ítem Evaluation of the productivities of Djallonke sheep and N'Dama cattle at the Centre de Recherches Zootechniques, Kolda, Senegal(International Livestock Centre for Africa) Fall, Abdou; Diop, Mouhamadou; Sandford, J.; Wissocq, Y.J.; Durkin, J.W.; Trail, J.C.M.Ítem Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk(Cambridge University Press) Trail, J.C.M.; Murray, M.; Sones, Keith R.; Jibbo, J.M.C.; Durkin, J.W.; Light, D.E.Ítem Livestock production in central Mali: Weight at first conception and ages at first and second parturitions in traditionally managed goats and sheep(Cambridge University Press) Wilson, R.T.; Durkin, J.W.Ítem Crossbred dairy cattle productivity in Arsi region, Ethiopia(International Livestock Centre for Africa) Kiwuwa, G.H.; Trail, J.C.M.; Yousef, M.K.; Worku, G.; Anderson, F.M.; Durkin, J.W.Ítem Productivity of Boran cattle maintained with chemoprophylaxis under high tsetse challenge at Mkwaja ranch in Tanzania. 1. Ranch organization and animal health managementJibbo, J.M.C.; Trail, J.C.M.; Sones, Keith R.; Durkin, J.W.; Light, D.E.; Murray, M.