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Formulating Beef Rations for Improved Performance under Environmental Stress

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  • Ray F. Brokken

Abstract

Beef ration heat increment level (energy lost in ruminant fermentation and nutrient metabolism) relative to net energy has important implications for efficient beef production under heat or chill stress. This paper presents (1) an efficient model for use of the Lofgreen-Garrett net energy system in ration formulation; (2 ) a model, incorporating the Lofgreen-Garrett net energy system, for varying heat increment relative to net energy in beef ration formulation; and ( 3) a simplified framework for ascertaining potential animal performance differences caused by differences in relative heat increment under assumed stress conditions. Differences illustrated are substantial.

Suggested Citation

  • Ray F. Brokken, 1971. "Formulating Beef Rations for Improved Performance under Environmental Stress," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 53(1), pages 79-91.
    • Handle: RePEc:oup:ajagec:v:53:y:1971:i:1:p:79-91.
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    File URL: http://hdl.handle.net/10.2307/3180300
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    Cited by:

    1. Williams, Joseph Eugene, 1975. "Feeding-marketing decisions and the value of price forecast information to the cattle feeder," ISU General Staff Papers 197501010800006641, Iowa State University, Department of Economics.

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