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Producer Incentives For Antibiotic Use In U.S. Pork Production


  • Miller, Gay Y.
  • Liu, Xuanli
  • McNamara, Paul E.
  • Bush, Eric J.


Antibiotics have been used in animal production for several decades. Antibiotics are used routinely now in pork production (NAHMS 2002). There is increasing concern about the use of antibiotics in animal production. There is no hard evidence supporting the link of antibiotic use in animals to observations of antibiotic resistance infections in people. Nonetheless a careful examination of the value of continued antibiotic use in agricultural, and in pork production in particular is warranted. Therefore, the objective of our study is to validate the productivity and economic impacts of antibiotic use for pig producers at the farm level. We use data from the NAHMS 2000 swine survey. We estimate the combined affects from antibiotics used for growth promotion (AGP) and antibiotics used for disease prevention (ADP) on 4 productivity measures. We also estimate the economic impact of AGP and ADP for individual pig producers. We estimate these 4 productivity measures using seemingly unrelated regression analysis. We evaluate 4 scenarios which ban antibiotic use, and use a simple synthetic firm partial budget to estimate the economic consequences of these scenarios. We find that pig productivity is improved with AGP, but decreased with ADP. A total ban on AGP would cost pig producers $1,271 in lost profits per 1,020 head pig barn. A total ban on ADP however, would result in pig producers improving profits slightly. This occurs because productivity is negatively influenced by ADP. A ban of both AGP and ADP results in a small loss of producer profits ($376/1,020 head barn) because of the offsetting effects of ADP compared to AGP. Producers have higher profits when AGP and ADP are applied at levels where pig productivity is maximized. In this case, producers gain $4,146 for each 1,020 head barn compared to no antibiotic use.

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  • Miller, Gay Y. & Liu, Xuanli & McNamara, Paul E. & Bush, Eric J., 2003. "Producer Incentives For Antibiotic Use In U.S. Pork Production," 2003 Annual meeting, July 27-30, Montreal, Canada 21931, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  • Handle: RePEc:ags:aaea03:21931

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    References listed on IDEAS

    1. Brorsen, B. Wade & Lehenbauer, Terry & Ji, Dasheng & Connor, Joe, 2002. "Economic Impacts of Banning Subtherapeutic Use of Antibiotics in Swine Production," Journal of Agricultural and Applied Economics, Cambridge University Press, vol. 34(03), pages 489-500, December.
    2. Mathews, Kenneth H., Jr., 2001. "Antimicrobial Drug Use And Veterinary Costs In U.S. Livestock Production," Agricultural Information Bulletins 33695, United States Department of Agriculture, Economic Research Service.
    3. Hayes, Dermot J. & Jensen, Helen H. & Backstrom, Lennart & Fabiosa, Jacinto F., 2001. "Economic Impact Of A Ban On The Use Of Over The Counter Antibiotics In U.S. Swine Rations," International Food and Agribusiness Management Review, International Food and Agribusiness Management Association (IFAMA), vol. 4(01).
    4. Hayes, Dermot J. & Jensen, Helen H. & Fabiosa, Jacinto F., 2002. "Technology Choice and the Economic Effects of a Ban on the Use of Antimicrobial Feed Additives in Swine Rations," Staff General Research Papers Archive 5177, Iowa State University, Department of Economics.
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    Cited by:

    1. William D. McBride & Nigel Key & Kenneth H. Mathews, 2008. "Subtherapeutic Antibiotics and Productivity in U.S. Hog Production," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 30(2), pages 270-288.
    2. Liu, Xuanli & Miller, Gay Y. & McNamara, Paul E., 2005. "Do Antibiotics Reduce Production Risk for U.S. Pork Producers?," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 37(03), December.
    3. Miller, Gay Y. & Liu, Xuanli & McNamara, Paul E. & Barber, David A., 2004. "The Influence Of Salmonella In Pigs Pre-Harvest On Salmonella Human Health Costs And Risk From Pork," 2004 Annual meeting, August 1-4, Denver, CO 20258, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).

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