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Reports the productivity levels achieved by grade Boran cattle maintained by chemoprophylaxis at Mkwaja ranch (Tanzania) from 1973 to 1982. Analyses the effects of year and season of calving on birth, cow age, calf sex and area & location of herd on performance of the environmental influences. Ev...


Trail, J.C.M.Murray, M.Sones, Keith R.Jibbo, J.M.C.Durkin, J.W.Light, D.E.[Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk]Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk
Henricksen, B.L.Durkin, J.W.[Growing period and drought early warning in Africa using satellite data]Growing period and drought early warning in Africa using satellite data

Presente les resultats d'analyses comparant l'applicabilite du modele d'apparition des incisives permanentes chez 4000 chevres et moutons de races saheliennes, geres de maniere traditionnelle au Mali central, et etudies pendant quatre annees, en vue de determiner leur age et d'etablir la demograp...


Wilson, R.T.Durkin, J.W.[L'elevage au Mali central: la chronologie de l'apparition des incisives permanentes chez les chevres et les moutons]L'elevage au Mali central: la chronologie de l'apparition des incisives permanentes chez les chevres et les moutons

Presents results of analysis of the reproductive performance, viability and growth performance traits of Djallonke sheep & N'dama cattle kept at the Centre de Recherches Zootechniques in Senegal; includes productivity indices for the two species built on the basis of the analyzed data.


Fall, AbdouDiop, MouhamadouSandford, J.Wissocq, Y.J.Durkin, J.W.Trail, J.C.M.[Evaluation of the productivities of Djallonke sheep and N'Dama cattle at the Centre de Recherches Zootechniques, Kolda, Senegal]Evaluation of the productivities of Djallonke sheep and N'Dama cattle at the Centre de Recherches Zootechniques, Kolda, Senegal
Kakiese, O.Feron, A.D'Ieteren, G.D.M.Durkin, J.W.Itty, P.Maehl, J.H.H.Mulungo, M.Nagda, S.M.Pelo, M.Rarieya, J.M.Sheria, M.Thorpe, W.R.Trail, J.C.M.[Productivity of ranch N'Dama cattle under trypanosomiasis risk]Productivity of ranch N'Dama cattle under trypanosomiasis risk

Studies the productivity of Zebu cattle at Mkwaja ranch in Tanzania, upgraded by the importation of Boran bulls and semen from Kenya and maintained under the successful trypanocidal drug strategy; discusses the proper management of acaricides and anthelmintics, as well as bacterial and viral vacc...


Jibbo, J.M.C.Trail, J.C.M.Sones, Keith R.Durkin, J.W.Light, D.E.Murray, M.[Productivity of Boran cattle maintained with chemoprophylaxis under high tsetse challenge at Mkwaja ranch in Tanzania. 1. Ranch organization and animal health management]Productivity of Boran cattle maintained with chemoprophylaxis under high tsetse challenge at Mkwaja ranch in Tanzania. 1. Ranch organization and animal health management

Reports the viability, reproduction and associated growth rates achieved by grade Boran cattle maintained by chemoprophylaxis under high tsetse challenge at Mkwaja Ranch in Tanzania, W., particularly emphasis on calving interval, pre-weaning mortality, pre-weaning growth and the resultant cow pro...


Trail, J.C.M.Murray, M.Sones, Keith R.Jibbo, J.M.C.Durkin, J.W.Light, D.E.[Productivity of Boran cattle maintained with chemoprophylaxis under high tsetse challenge at Mkwaja ranch in Tanzania. 2. Productivity]Productivity of Boran cattle maintained with chemoprophylaxis under high tsetse challenge at Mkwaja ranch in Tanzania. 2. Productivity

Presents results of experiments to determine phenotypic & genotypic relationships of the abilities to control parasitaemia, resist anaemia or develop an immune response with animal performance in terms of daily weight gain, maintenance of packed cell volume levels and disease prevalence in trypan...


Trail, J.C.M.Feron, A.Pelo, M.Colardelle, C.Ordner, G.D'Ieteren, G.D.M.Durkin, J.W.Maehl, H.M.Thorpe, W.R.[Selection in trypanotolerant cattle breeds in Africa]Selection in trypanotolerant cattle breeds in Africa
Ebong, CyprianLittle, D.A.Reed, J.D.Durkin, J.W.[Effect of mimosine/dihydroxypyridine-metabolising organisms on the growth rate of young rams fed Leucaena leucocephala]Effect of mimosine/dihydroxypyridine-metabolising organisms on the growth rate of young rams fed Leucaena leucocephala

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