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Jibbo, J.M.C.Durkin, J.W.Light, D.E.Murray, M.Sones, Keith R.Trail, J.C.M.[Chemoprophylaxis: Its successful use in the control of trypanosomiasis in Boran cattle, at Mkwaja ranch, Tanzania]Chemoprophylaxis: Its successful use in the control of trypanosomiasis in Boran cattle, at Mkwaja ranch, Tanzania

The effects of age of ewe, and year, sex, and year, sex and type of birth of lambs on lamb weights between birth and weaning were measured and appropriate correction factors estimated in a flock of east African Blackhead sheep maintained over an 11-year period in Western Uganda. These correction ...


Trail, J.C.M.Sacker, G.D.[Factors affecting production records of lambs from a flock of East African Blackhead sheep]Factors affecting production records of lambs from a flock of East African Blackhead sheep

Examines some of the problems encountered and provides information on computer networking and the potential of computers in livestock research; describes the ILCA computer facility and the services which ILCA provides to national research organizations that do not have computer facilities.


Durkin, J.W.Light, D.E.Maehl, H.M.Trail, J.C.M.[Le materiel informatique du CIPEA et son utilisation]Le materiel informatique du CIPEA et son utilisation

ILRAD and ILCA, in collaboration with Amboni Limited (owners of Mkwaja Ranch) and May and Baker Limited, carried out an analysis of matching animal health, animal productivity and trypanocidal drug treatment data based on more than 20,000 calving records at Mkwaja Ranch over the 10 year period fr...


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

N’Dama cow and calf viabilities, parturition intervals, cow parturition and weaning weights and calf weaning weights were recorded during a three year period, January 1984 to December 1986. The management system was the same at Mushie and Kolo ranches (Zaire) where trypanosomiasis risk was high a...


Feron, 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.[Productivity of ranch N'Dama cattle under trypanosomiasis risk]Productivity of ranch N'Dama cattle under trypanosomiasis risk

Evaluates the productivity of different breeds of cattle, sheep and goats, particularly trypanotolerant breeds, exposed to different degrees of tsetse challenge under various management systems in 9 West and Central African countries and in three associated East African countries, w. the objectiv...


Trail, J.C.M.Murray, M.Wissocq, Y.J.D'Ieteren, G.D.M.Paling, R.W.Leak, S.G.A.Moloo, S.K.Maehl, H.M.[The trypanotolerance network. 1. Objectives, organization and current activities]The trypanotolerance network. 1. Objectives, organization and current activities
Trail, J.C.M.Durkin, J.W.Light, D.E.[Extraction, handling, analysis and interpretation of production data]Extraction, handling, analysis and interpretation of production data

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

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