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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 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
Journal Article 1986

Autor: Carew, S.F. Sandford, J. Wissocq, Y.J. Durkin, J.W. Trail, J.C.M.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/4512

Investigación en Agricultura
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Carew, S.F. ,  Sandford, J. ,  Wissocq, Y.J. ,  Durkin, J.W. ,  Trail, J.C.M. ,  [N'dama cattle productivity at Teko Livestock Station, Sierra Leone, and initial results from cross-breeding with Sahiwal] ,  N'dama cattle productivity at Teko Livestock Station, Sierra Leone, and initial results from cross-breeding with Sahiwal
Journal Article 1966

Autor: Sacker, G.D. Trail, J.C.M.

Production characteristics covering female breeding data; growth of kids and use of correction factors for parity of dam, sex and type of bith of kid; dam milk production as measured by early kid growth; repeatabilities and phenotypic correlations between kid weights; and kid mortality, were exam...

Enlace original: https://cgspace.cgiar.org/handle/10568/66912

Investigación en Agricultura
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Sacker, G.D. ,  Trail, J.C.M. ,  [Production characteristics of a herd of East African Mubende goats] ,  Production characteristics of a herd of East African Mubende goats

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