Sub-therapeutic Antibiotics and Impacts on U.S. Hog Farms
AbstractAntimicrobial drugs are fed to hogs at sub-therapeutic levels to prevent disease and promote growth. However, there is concern that the presence of antimicrobial drugs in hog feed is a factor promoting the development of antimicrobial drug-resistant bacteria. This study describes the extent to which antibiotics are used in hog production and how this changed between 2004 and 2009. This study also uses a sample-selection model to examine the impact that use has on the productivity of U.S. hog operations. Using hog producer data from 2004, the analysis did not find a relationship between productivity and sub-therapeutic antibiotics fed during finishing, but productivity was significantly improved when fed to nursery pigs. These results are being evaluated using similar data from 2009.
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Bibliographic InfoPaper provided by Agricultural and Applied Economics Association in its series 2011 Annual Meeting, July 24-26, 2011, Pittsburgh, Pennsylvania with number 103232.
Date of creation: 24 Jul 2011
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antibiotics; hogs; sample selection; Farm Management; Production Economics;
This paper has been announced in the following NEP Reports:
- NEP-AGR-2011-05-07 (Agricultural Economics)
- NEP-ALL-2011-05-07 (All new papers)
- NEP-EFF-2011-05-07 (Efficiency & Productivity)
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