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OPTIMAL FEEDING POLICIES FOR BROILER PRODUCTION: AN APPLICATION OF DYNAMIC PROGRAMMING AgEcon
Kennedy, John O.S.; Rofe, B.H.; Greig, I.D.; Hardaker, J. Brian.
The determination of an optimal feeding and selling strategy for broiler production given a space constraint is formulated as a dynamic programming problem. Production equations derived from trial data are used to obtain an optimal sequence of rations in which energy density changes through time. The stability of the plan is explored and the implications of the results for production research and commercial practice are considered.
Tipo: Journal Article Palavras-chave: Livestock Production/Industries.
Ano: 1976 URL: http://purl.umn.edu/23048
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Agricultural Research Management and the Ex Ante Evaluation of Research Proposals : A Review AgEcon
Greig, I.D..
A review of the ex ante evaluation of research proposals is structured in the wider context of research management. Five functions of research management are identified; initiation, evaluation, selection, implementation and control, and dissemination. After considering the relative weights given to these functions In the. literature, it is concluded that the past emphasis on selection should, for agricultural research, give way to more on evaluation. A review of the literature indicates that ex ante evaluation of research is feasible, whether using simple expected value or more costly and complex probabilistic models. The cost of evaluation should be balanced against investment in both the other research functions and the proposals themselves.
Tipo: Journal Article Palavras-chave: Research Methods/ Statistical Methods.
Ano: 1981 URL: http://purl.umn.edu/12424
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