Discusses the need for identifying sociological and economic possibilities for improvement in pastoral production systems, mentioning the major steps involved, particularly, identification of potential improvements, prediction of their likely impact on net production & quality of life; prediction...
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.
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Anderson, F.M.
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Buck, N.G.
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Nelsen, T.C.
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Trail, J.C.M.
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Pratchett, D.
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Sanders, J.
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Astle, W.
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Light, D.E.
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Rennie, T.W.
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Rose, T.J.
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Shorrock, C.
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[Systems modelling in cattle production - an application in Botswana]
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Systems modelling in cattle production - an application in Botswana
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 ...
Presents results of a former survey conducted to establish a baseline understanding of the production system at Elangat Wuas group ranches in Kajiado district, Kenya. Describes the ranch in relation to rainfall, infrastructure, vegetation & land units and nutritional value of the range. Discusses...
Bille, Jean-Claude
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Anderson, F.M.
,
[A synthesis of observations on Elangata Wuas group ranch in Kajiado District]
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A synthesis of observations on Elangata Wuas group ranch in Kajiado District
Summarises the results of on-farm research conducted by the Highlands Programme (ILCA) in order to improve smallholder livestock productivity in the Ethiopian Highlands. Outlines the farming system around Debre Berhan. Discusses on farm trials and research activities on the integration of crossbr...
Gryseels, Guido
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Anderson, F.M.
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Asamenew, G.
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Mesgina, A.
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Astatke, A.
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Wolde-Mariam, W.A.
,
[On-farm research to improve smallholder livestock productivity in the Ethiopian highlands]
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On-farm research to improve smallholder livestock productivity in the Ethiopian highlands
Presents a cattle herd simulation model which is time dynamic, stochastic, non-optimizing & integer and permits the evaluation of herd performance under alternative production regimes; discusses the analytical background to the biological relationships represented in the model, describes detailed...
Konandreas, P.A.
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Anderson, F.M.
,
[Cattle herd dynamics: An integer and stochastic model for evaluating production alternatives]
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Cattle herd dynamics: An integer and stochastic model for evaluating production alternatives
Reports the effect of draught on milk production, reproductive and productive performance of crossbred dairy cows which had completed the first two lactations. Evaluates ways and means of reducing the effective number of draught animals needed to support agricultural production in the Ethiopian h...
Agyemang, K.
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Astatke, A.
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Anderson, F.M.
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Wolde-Mariam, W.A.
,
[Effects of work on reproductive and productive performance of cross-bred dairy cows in the Ethiopian highlands]
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Effects of work on reproductive and productive performance of cross-bred dairy cows in the Ethiopian highlands
Investigates the potential benefits of restricted suckling of crossbred cows in the Ethiopian highlands with special emphasis on maximising the efficiency of resoruce utilisation. Examines nutrient concentrations in grass hay fed and refused, and productivity characteristics of crossbred cows and...
Little, D.A.
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Anderson, F.M.
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Durkin, J.W.
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[Influence of partial suckling of crossbred dairy cows on milk offtake and calf growth in the Ethiopian highlands]
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Influence of partial suckling of crossbred dairy cows on milk offtake and calf growth in the Ethiopian highlands
Gryseels, Guido
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Anderson, F.M.
,
[Recherche sur la productivité de l'agriculture et de l'élevage]
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Recherche sur la productivité de l'agriculture et de l'élevage
Describes the Ethiopian highlands assessing their potential for improved agricultural production; reports ILCA's studies on the traditional smallholder production system of the highlands; and analyzes productivity aspects of the system's crop and livestock components. Discusses the approach to fa...
Gryseels, Guido
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Anderson, F.M.
,
[Research on farm and livestock productivity in the central Ethiopian highlands: Initial results, 1977-1980]
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Research on farm and livestock productivity in the central Ethiopian highlands: Initial results, 1977-1980