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Journal Article 1977

Autor: Trail, J.C.M. Rennie, T.W.

Describes the system of performance testing operating in Botswana & its value for the genetic improvement of beef cattle, examining dif. aspects of data collection, handling, analysis & use within a computerized system, & recording traits such as reproductive performance, growth, viability & moth...

Enlace original: https://cgspace.cgiar.org/handle/10568/28619

Investigación en Agricultura
Enlace permanente
Trail, J.C.M. ,  Rennie, T.W. ,  [Botswana: Performance testing of beef cattle] ,  Botswana: Performance testing of beef cattle
Journal Article 1982

Autor: Cartwright, T.C. Anderson, F.M. Buck, N.G. Nelsen, T.C. Trail, J.C.M. Pratchett, D. Sanders, J. Astle, W. Light, D.E. Rennie, T.W. Rose, T.J. Shorrock, C.

Discusses use of mathematical modelling as a research tool to evaluate alternative practices, illustrating its application in beef cattle production systems in Botswana, with a description of data inputs, model utilized & simulations carried out. Compares actual & simulated values and examines ef...

Enlace original: https://cgspace.cgiar.org/handle/10568/28626

Investigación en Agricultura
Enlace permanente
Cartwright, T.C. ,  Anderson, F.M. ,  Buck, N.G. ,  Nelsen, T.C. ,  Trail, J.C.M. ,  Pratchett, D. ,  Sanders, J. ,  Astle, W. ,  Light, D.E. ,  Rennie, T.W. ,  Rose, T.J. ,  Shorrock, C. ,  [Systems modelling in cattle production - an application in Botswana] ,  Systems modelling in cattle production - an application in Botswana
Journal Article 1977

Autor: Trail, J.C.M. Buck, N.G. Light, D.E. Rennie, T.W. Rutherford, A.S. Miller, M. Pratchett, D. Capper, B.

Evaluation of reproductive performance, viability and growth of Afrikander, Tswana, Tuli and crossbred beef cattle in Botswana; data on calving percentage, calf mortality, weaning & birth weights, w. comparison of crossbreeding performance of Tuli, Bonsmara cattle, Brahman cattle & Simmental catt...

Enlace original: https://cgspace.cgiar.org/handle/10568/28257

Investigación en Agricultura
Enlace permanente
Trail, J.C.M. ,  Buck, N.G. ,  Light, D.E. ,  Rennie, T.W. ,  Rutherford, A.S. ,  Miller, M. ,  Pratchett, D. ,  Capper, B. ,  [Productivity of Africander, Tswana, Tuli and crossbred beef cattle in Botswana] ,  Productivity of Africander, Tswana, Tuli and crossbred beef cattle in Botswana

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