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An Evaluation of Alternate Feed Efficiency Estimates in Beef Cattle

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  • Boaitey, Albert
  • Goddard, Ellen
  • Mohapatra, Sandeep
  • Basarab, John A.
  • Miller, Steve
  • Crowley, John

Abstract

In this paper the issue of nonlinearity and heterogeneity in the derivation of feed efficiency estimates for beef cattle based on performance data for 6253 animals is examined. Using parametric, non-parametric and integer programming approaches, we find evidence of nonlinearity between feed intake and measures of size and growth, and susceptibility of, feed efficiency estimates to assumptions pertaining to heterogeneity between animals and within cohorts. Further, differences in feed cost implied by selection based on different feed efficiency estimates were evaluated and compared-“costs of misspecification” of up to $280/kg DM was derived.

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  • Boaitey, Albert & Goddard, Ellen & Mohapatra, Sandeep & Basarab, John A. & Miller, Steve & Crowley, John, 2013. "An Evaluation of Alternate Feed Efficiency Estimates in Beef Cattle," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C. 150439, Agricultural and Applied Economics Association.
    • Handle: RePEc:ags:aaea13:150439
    DOI: 10.22004/ag.econ.150439
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    References listed on IDEAS

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    1. Llewelyn, Richard V. & Featherstone, Allen M., 1997. "A comparison of crop production functions using simulated data for irrigated corn in western Kansas," Agricultural Systems, Elsevier, vol. 54(4), pages 521-538, August.
    2. Michael D. Frank & Bruce R. Beattie & Mary E. Embleton, 1990. "A Comparison of Alternative Crop Response Models," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 72(3), pages 597-603.
    3. John DiNardo & Justin L. Tobias, 2001. "Nonparametric Density and Regression Estimation," Journal of Economic Perspectives, American Economic Association, vol. 15(4), pages 11-28, Fall.
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    Keywords

    Agribusiness; Livestock Production/Industries;

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