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Report 1983

Autor: Kiwuwa, G.H. Trail, J.C.M. Yousef, M.K. Worku, G. Anderson, F.M. Durkin, J.W.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/4674

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. ,  [Crossbred dairy cattle productivity in Arsi region, Ethiopia] ,  Crossbred dairy cattle productivity in Arsi region, Ethiopia
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/10568/10876

Investigación en Agricultura
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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
Journal Article 1984

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

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.

Enlace original: https://cgspace.cgiar.org/handle/10568/29735

Investigación en Agricultura
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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
Conference Paper 1991

Autor: Kakiese, O. Feron, A. D'Ieteren, G.D.M. Durkin, J.W. Itty, P. Maehl, J.H.H. Mulungo, M. Nagda, S.M. Pelo, M. Rarieya, J.M. Sheria, M. Thorpe, W.R. Trail, J.C.M.
Enlace original: https://cgspace.cgiar.org/handle/10568/50985

Investigación en Agricultura
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Kakiese, O. ,  Feron, A. ,  D'Ieteren, G.D.M. ,  Durkin, J.W. ,  Itty, P. ,  Maehl, J.H.H. ,  Mulungo, M. ,  Nagda, S.M. ,  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
Conference Paper 1985

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

Reports the viability, reproduction and associated growth rates achieved by grade Boran cattle maintained by chemoprophylaxis under high tsetse challenge at Mkwaja Ranch in Tanzania, W., particularly emphasis on calving interval, pre-weaning mortality, pre-weaning growth and the resultant cow pro...

Enlace original: https://cgspace.cgiar.org/handle/10568/50983

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. ,  [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
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 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
Enlace permanente

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

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