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Presents results of analyses carried out on a range of performance traits and productivity estimates for indigenous Arsi & Zebu cattle and their crosses with Jersey & Friesian, maintained for milk production at Asela station & on smallholder farms in the Arsi region of Ethiopia; includes data on ...


Kiwuwa, G.H.Trail, J.C.M.Yousef, M.K.Worku, G.Anderson, F.M.Durkin, J.W.[Crossbred dairy cattle productivity in Arsi region, Ethiopia]Crossbred dairy cattle productivity in Arsi region, Ethiopia
Autor: Trail, J.C.M.

Summarizes the Report of a study jointly undertaken by ILCA, FAO & UNEP to study the status of the trypanotolerant livestock of West and Central Africa, w. an appraisal of existing information on their productivity, and comparisons between trypanotolerant and non-trypanotolerant livestock maintai...


Trail, J.C.M.[A note on the productivity of trypanotolerant livestock in West and Central Africa]A note on the productivity of trypanotolerant livestock in West and Central Africa

Examines the productivities of N'Dama cattle, introduced Sahiwal cattle, and Sahiwal X N'Dama crossbred at the Teko Livestock Station, Sierra Leone. Evaluates environmental and genetic effects relating to breed group, month and year of parturition or birth, age, sex, individual cow etc. as approp...


Carew, S.F.Sandford, J.Wissocq, Y.J.Durkin, J.W.Trail, J.C.M.[Productivite de bovins N'Dama a la station de Teko (Sierra Leone) et premiers resultats de croisements avec la race Sahiwal]Productivite de bovins N'Dama a la station de Teko (Sierra Leone) et premiers resultats de croisements avec la race Sahiwal

Summarises the work that ILCA is doing to assemble what information is available on livestock breeds and breeding in sub-Saharan Africa.


Brumby, P.J.Trail, J.C.M.[Les etudes sur les races et la productivite du betail en Afrique]Les etudes sur les races et la productivite du betail en Afrique

Evaluates the productivity of Boran cattle maintained with chemoprophylaxis in an area of massive Glossina morsitans sub morsitans, G. pallidipes et G. Brevipalpis challenge at Makwaja ranch, in Tanzania and analyses the effect of a chemoprophylactic drug (isometamidium chloride) on cattle produc...


Trail, J.C.M.Murray, M.Sones, Keith R.Jibbo, J.M.C.Durkin, J.W.Light, D.E.[Chemoprophylaxis: Boran cattle can be productive under high tsetse challenge]Chemoprophylaxis: Boran cattle can be productive under high tsetse challenge

Studies the performance of the West African Dwarf Goat in seven villages of Southwest Nigeria dividing into three health regimes, viz, vaccination against PPR and dipping in insecticides against ectoparasites, particularly mange, dipping alone, and control group. describes the study area. Present...


Adeoye, S.A.O.Reynolds, L.Trail, J.C.M.Durkin, J.W.Light, D.E.[Performance of free roaming West African dwarf goats in Southwest Nigeria]Performance of free roaming West African dwarf goats in Southwest Nigeria

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

Presented data on maternal traits, i.e.Age at first calving, calving interval, calf weaning weight and cow productivity index, of pure Boran and Boran crossbred w. each of Charolais, Ayrshire and Santa Gertrudis on privately owned ranches in Machakos District, Kenya.


Gregory, K.E.Trail, J.C.M.Sandford, J.Durkin, J.W.[Crossbreeding cattle in beef production programmes in Kenya. I. Comparison of purebred Boran and Boran crossed with the Charolais, Ayrshire and Santa Gertrudis breeds]Crossbreeding cattle in beef production programmes in Kenya. I. Comparison of purebred Boran and Boran crossed with the Charolais, Ayrshire and Santa Gertrudis breeds

Summarises the work that ILCA is doing to assemble what information is available on livestock breeds and breeding in sub-Saharan Africa.


Brumby, P.J.Trail, J.C.M.[Animal breeding and productivity studies in Africa]Animal breeding and productivity studies in Africa

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