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- W3202013103 abstract "Research Aim: From this study, relative and absolute economic values related to production, reproductive, managerial and economic parameters resulting from the record of Afshari sheep herd of 350 Afshari sheep during the production cycle in 1997-98 under the rural system Was evaluated.Materials and Methods: The studied traits including pregnancy rate, survival rate, useful life of ewes, number of lambs, birth weight, daily weight gain, multiplication, milk production and wool production were studied. The bio-economic model was written based on the breeding system and available herd information and using the maximum profit trend, the economic coefficients of the traits were calculated by Ecoweight software by partially deriving the profit function for the one-year breeding system.Finding: In order to obtain the economic coefficients of the traits, the level of each trait in the profit study was changed while other traits were kept constant at the average and the change in the resulting profit was considered as an economic coefficient. First, all costs and incomes, livestock profit and herd composition were determined and programmed and software was implemented in the input files.Conclusion: Relative economic coefficients for traits, pregnancy rate, survival rate, useful life of ewes, number of lambs, birth weight, daily weight gain, multiplication, milk production and wool production traits were 2.82 and 61, respectively. 2.2, 2.56, 49.4, 2.38, 2.25, 2.01, 1.81 and 1 were obtained." @default.
- W3202013103 created "2021-10-11" @default.
- W3202013103 creator A5051442055 @default.
- W3202013103 date "2020-01-01" @default.
- W3202013103 modified "2023-09-23" @default.
- W3202013103 title "cost and benefit analysis and determination of economic coefficient of important traits of production and reproductive Afshari sheep" @default.
- W3202013103 hasPublicationYear "2020" @default.
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