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Effect Of Form Of Hay And Carcass Quality On The Economics Of Concentrate: Hay Substitution In Cattle Feedlot Diets


  • Freeze, Brian S.
  • Hironaka, R.


A maximum profit linear programming feedlot model is presented to determine if diet combinations of moderate amounts of hay and grain are economically optimal when time (length of the feeding period), form of hay (long versus cubed alfalfa), and carcass quality are considered. While the experiment did not include concentrate-to-hay ratios as high as commercial feedlot use, the results show that highest concentrate diets are economical in all stages of the finishing program, except that when time and carcass grade effects are considered and hay-to-concentrate price ratios are at historical lows, a switch is made for the last 90 kg of grain to diets somewhat above 50% hay.

Suggested Citation

  • Freeze, Brian S. & Hironaka, R., 1990. "Effect Of Form Of Hay And Carcass Quality On The Economics Of Concentrate: Hay Substitution In Cattle Feedlot Diets," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 15(02), December.
  • Handle: RePEc:ags:wjagec:32060

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    References listed on IDEAS

    1. Francis Epplin & Shashanka Bhide & Earl O. Heady, 1980. "Empirical Investigation of Beef Gain Roughage-Concentrate Substitution," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 62(3), pages 468-477.
    2. Melton, Bryan Edwin, 1977. "An economic analysis of concentrate versus roughage feeding for finishing beef steers," ISU General Staff Papers 197701010800008622, Iowa State University, Department of Economics.
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    1. Hironaka, R. & Freeze, B. & Kozub, G. C., 1997. "A comparison of digestible and net energy models to predict rates of gain of hereford steers," Agricultural Systems, Elsevier, vol. 54(4), pages 429-437, August.

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    Livestock Production/Industries;


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