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...
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...
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]
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Systems modelling in cattle production - an application in Botswana
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...
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]
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Productivity of Africander, Tswana, Tuli and crossbred beef cattle in Botswana