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Journal Article 1981

Autor: Trail, J.C.M. Gregory, K.E.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/32978

Investigación en Agricultura
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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
Journal Article 1984

Autor: Trail, J.C.M. Gregory, K.E. Durkin, J.W. Sandford, J.

Compares two series of breed groups of cows for maternal traits from a three-year study in Kenya to identify breed crosses that are superior to the Boran purebreds; considers age at first calving, calving interval, calf weight at weaning, cow weight at weaning, calf mortality to weaning and cow p...

Enlace original: https://cgspace.cgiar.org/handle/10568/29771

Investigación en Agricultura
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Trail, J.C.M. ,  Gregory, K.E. ,  Durkin, J.W. ,  Sandford, J. ,  [Crossbreeding cattle in beef production programmes in Kenya. II. Comparison of purebred Boran and Boran crossed with the Red Poll and Santa Gertrudis breeds] ,  Crossbreeding cattle in beef production programmes in Kenya. II. Comparison of purebred Boran and Boran crossed with the Red Poll and Santa Gertrudis breeds
Journal Article 1979

Autor: Murray, M. Morrison, W. Ivan Murray, P.K. Clifford, D.J. Trail, J.C.M.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/28624

Investigación en Agricultura
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Murray, M. ,  Morrison, W. Ivan ,  Murray, P.K. ,  Clifford, D.J. ,  Trail, J.C.M. ,  [Trypanotolerance - a review] ,  Trypanotolerance - a review
Conference Paper 1988

Autor: Mulatu, W. D'Ieteren, G.D.M. Duffera, W. Girma, T. Itty, P. Leak, S.G.A. Maehl, J.H.H. Nagda, S.M. Paling, R.W. Rarieya, J.M. Thorpe, W.R. Trail, J.C.M.

Reports the results of an 18-month study on the prevalence, species and intensity of trypanosome parasitaemias in East African Zebu cattle managed in ten village herds in four areas around Ghibe, S.W. Ethiopia. Gives an estimation of tsetse related density and trypanosome infection rates in tsets...

Enlace original: https://cgspace.cgiar.org/handle/10568/50016

Investigación en Agricultura
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Mulatu, W. ,  D'Ieteren, G.D.M. ,  Duffera, W. ,  Girma, T. ,  Itty, P. ,  Leak, S.G.A. ,  Maehl, J.H.H. ,  Nagda, S.M. ,  Paling, R.W. ,  Rarieya, J.M. ,  Thorpe, W.R. ,  Trail, J.C.M. ,  [Health and performance of zebu cattle exposed to trypanosomiasis risk in S.W. Ethiopia] ,  Health and performance of zebu cattle exposed to trypanosomiasis risk in S.W. Ethiopia
Journal Article 1991

Autor: Leak, S.G.A. Colardelle, C. D'Ieteren, G.D.M. Dumont, P. Feron, A. Jeannin, P. Minengu, M. Mulungo, M. Ngamuna, S. Ordner, G. Sauveroche, B. Trail, J.C.M. Yangari, G.

The significance of Glossina fusca group tsetse flies as vectors of cattle trypanosomiasis was examined using biconical traps to survey tsetse populations at one site in Gabon and two sites in Zaire. Mean trypanosome infection rates in G. tabaniformis Westwood over the study period ranged from 8....

Enlace original: https://cgspace.cgiar.org/handle/10568/29230

Investigación en Agricultura
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Leak, S.G.A. ,  Colardelle, C. ,  D'Ieteren, G.D.M. ,  Dumont, P. ,  Feron, A. ,  Jeannin, P. ,  Minengu, M. ,  Mulungo, M. ,  Ngamuna, S. ,  Ordner, G. ,  Sauveroche, B. ,  Trail, J.C.M. ,  Yangari, G. ,  [Glossina fusca group tsetse as vectors of cattle trypanosomiasis in Gabon and Zaire] ,  Glossina fusca group tsetse as vectors of cattle trypanosomiasis in Gabon and Zaire
Conference Paper 1988

Autor: Trail, J.C.M. Colardelle, C. D'Ieteren, G.D.M. Dumont, P. Itty, P. Jeannin, P. Maehl, J.H.H. Nagda, S.M. Ordner, G. Paling, R.W. Rarieya, J.M. Thorpe, W.R. Yangari, G.

Evaluates teh criteria for trypanotolerance including three related characterstics, v.z. the ability to control parasitaemia, the ability to control anaemia, and the ability to develop an effective immune response.

Enlace original: https://cgspace.cgiar.org/handle/10568/50055

Investigación en Agricultura
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Trail, J.C.M. ,  Colardelle, C. ,  D'Ieteren, G.D.M. ,  Dumont, P. ,  Itty, P. ,  Jeannin, P. ,  Maehl, J.H.H. ,  Nagda, S.M. ,  Ordner, G. ,  Paling, R.W. ,  Rarieya, J.M. ,  Thorpe, W.R. ,  Yangari, G. ,  [Evaluation of criteria of trypanotolerance] ,  Evaluation of criteria of trypanotolerance
Book 1985

Autor: Trail, J.C.M. Sones, Keith R. Jibbo, J.M.C. Durkin, J.W. Light, D.E. Murray, M.

Evaluates the productivity of grade Boran cattle maintained by chemoprophylaxis under severe trypanosomiasis risk at Mkwaja ranch, Tanzania; uses data based on more than 20,000 calving records over the 10-year period from 1973 to 1982; discusses environmental influences on performance traits and ...

Enlace original: https://cgspace.cgiar.org/handle/10568/4227

Investigación en Agricultura
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Trail, J.C.M. ,  Sones, Keith R. ,  Jibbo, J.M.C. ,  Durkin, J.W. ,  Light, D.E. ,  Murray, M. ,  [Productivity of Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk] ,  Productivity of Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk
Report 1986

Autor: Kiwuwa, G.H. Trail, J.C.M. Yousef, M.K. Worku, G. Anderson, F.M. Durkin, J.W.
Enlace original: https://cgspace.cgiar.org/handle/10568/91148

Investigación en Agricultura
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Kiwuwa, G.H. ,  Trail, J.C.M. ,  Yousef, M.K. ,  Worku, G. ,  Anderson, F.M. ,  Durkin, J.W. ,  [Productivité de bovins laitiers métis dans la région d'Arsi en Ethiopie] ,  Productivité de bovins laitiers métis dans la région d'Arsi en Ethiopie
Journal Article 1985

Autor: Trail, J.C.M. Murray, M. Sones, Keith R. Jibbo, J.M.C. Durkin, J.W. Light, D.E.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/66837

Investigación en Agricultura
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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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