McBride, William D.; Key, Nigel; Mathews, Kenneth H. - In: Review of Agricultural Economics 30 (2008) 2, pp. 270-288
Antimicrobial drugs are fed to hogs at subtherapeutic 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 uses a treatment-effects...