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Ítem Characterization of the Boran and Sahiwal breeds of cattle for economic charactersTrail, J.C.M.; Gregory, K.E.Ítem Trypanotolerant livestock in West and Central Africa. Volume 3. A decade's results(International Livestock Centre for Africa) Hoste, Christian H.; Chalon, E.; D'Ieteren, G.D.M.; Trail, J.C.M.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 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 The productivity of trypanotolerant livestock in West and Central AfricaTrail, J.C.M.; Wissocq, Y.J.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 Trypanotolerant livestock in West and Central Africa. Volume 1. General study(International Livestock Centre for Africa) Trail, J.C.M.; Hoste, Christian H.; Wissocq, Y.J.; Lhoste, Philippe; Mason, I.L.