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Autor: Trail, J.C.M.

Describes the main ecological zones of tropical Africa, mentioning the importance of cattle in each, production systems involved, and examples of the general types of cattle that can be maintained.


Trail, J.C.M.[Cattle breeding in tropical Africa]Cattle breeding in tropical Africa

Evaluates the health and productivity of East African Zebu cattle under village management in a tse-tse infested area surrounding the Muhaka Forest on the Kenya Coast south of Mombassa, and assesses the cost-effectiveness of intervention with trypanocidal drugs.


Maloo, S.H.Chema, S.Koskey, J.Kimotho, P.Trail, J.C.M.Murray, M.[Health and productivity of East African Zebu under village management in a tsetse area on the coast of Kenya]Health and productivity of East African Zebu under village management in a tsetse area on the coast of Kenya

A study was conducted to assess the correlation between criteria of trypanotolerance and production. N'dama post weaner cattle with different weights and from different age groups were studied for weight gain, packed cell volume (PCV) and for the presence of trypanosomes. The analysis approach wa...


D'Ieteren, G.D.M.Feron, A.Kakiese, O.Kemp, Stephen J.Maille, J.C.Teale, A.J.Trail, J.C.M.Yangari, G.[Aspects of trypanotolerance and their association with performance in N'Dama cattle]Aspects of trypanotolerance and their association with performance in N'Dama cattle
Coulibaly, L.Diarrassouba, I.D'Ieteren, G.D.M.Gnihan, N.Hecker, P.Itty, P.Kupper, W.Leak, S.G.A.Nagda, S.M.Rarieya, J.M.Schuetterle, A.Thorpe, W.R.Trail, J.C.M.Traub, D.[Effect of tsetse control by means of insecticide impregnated biconical traps on health and productivity of livestock in northern Cote d'Ivoire: Preliminary results]Effect of tsetse control by means of insecticide impregnated biconical traps on health and productivity of livestock in northern Cote d'Ivoire: Preliminary results

Reports on the productivity of trypanotolerant breeds in 18 West and Central African countries. Traits examined included reproductive performance, cow and calf viability, milk production, growth and body weight of cattle within a village or ranch management system and under four degrees of trypan...


Trail, J.C.M.Wissocq, Y.J.[The productivity of trypanotolerant livestock in West and Central Africa]The productivity of trypanotolerant livestock in West and Central Africa

Mkwaja Ranch is located on the coast of Tanzania in Pangani District about 100 km south of Tanga. The ranch covers an area of 47,250 hectares of coastal forest-savanna mosaic vegetation. The area is heavily infested with three species of tsetse, Glossina morsitans morsitans, G. pallidipes and G. ...


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
Autor: Trail, J.C.M.

Describes the productive performance of main cattle groups in Africa in relation to the ecological zones of the region. Contributions of past research work in breed evaluation and breed characterization studies that highlight the value of such work for each of the three major indigenous cattle gr...


Trail, J.C.M.[Productivity of representative breeds of important cattle groups in Africa]Productivity of representative breeds of important cattle groups in Africa

Results of a study conducted in the Rift Valley Province of Kenya comparing pedigree Boran & Sahiwal cattle in order to assess their potential as beef producing animals. Analyzes records on cows & their calves for reproductive characters such as age at first calving, calving interval & growth & m...


Trail, J.C.M.Gregory, K.E.[Characterization of the Boran and Sahiwal breeds of cattle for economic characters]Characterization of the Boran and Sahiwal breeds of cattle for economic characters

This article attempts to evaluate the current state of knowledge on questions such as, to what extent is inheritance important and how is it influenced by environmental factors; what are the mechanisms underlying increased resistance; and how productive are these breeds under various levels of ch...


Murray, M.Morrison, W. IvanMurray, P.K.Clifford, D.J.Trail, J.C.M.[Trypanotolerance - a review]Trypanotolerance - a review

Reproductive performance, mortality, growth, and culling and replacement rates based on 20000 calving records were evaluated for grade Boran beef cattle maintained with trypanosomiasis risk in Tanzania. Under ranching conditions, over a 10-year period in this area of high Glossina moistens morsi...


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

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