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Title: ANTIMICROBIAL RESISTANCE IN E COLI FROM PIGLETS FED DIETS WITH AND WITHOUT ANTIMICROBIALS

Author
item Kim, L
item Cray, Paula
item Gray, Jeffrey
item JONES, R - UNIV OF GEORGIA

Submitted to: International Pig Veterinary Society (IPVS)
Publication Type: Proceedings
Publication Acceptance Date: 4/20/2002
Publication Date: 6/2/2002
Citation: Kim, L.M., Cray, P.J., Gray, J.T., Jones, R.D. 2002. Antimicrobial resistance in e coli from piglets fed diets with and without antimicrobials. Pig Veterinary Society International Congress Proceedings. V. 2. Paper 176. P. 1.

Interpretive Summary:

Technical Abstract: Feed-based subtherapeutic antimicrobials (FSA) have been in use for nearly 50 years and their efficacy well documented. However, many are currently banned from use in Europe and the potential risks versus the benefits of FSA use is being investigated in the US. Continued concerns regarding the apparent association between the use of FSAs in food animal production and the concomitant increase in antimicrobial drug resistance among zoonotic enteroathogens have provided the impetus to ban the use of FSAs in food animals. Of equal concern is the persistence and transfer of antimicrobial resistance determinants among commensal floral such as Escherichia coli. The swine industry is a major consumer of FSAs, and studies have shown increases in antimicrobial resistance from operations that use FSAs compared to those that do not. The objective of this study was to evaluate the antimicrobial susceptibilities of fecal E. coli population from growing piglet fed diets with and without subtherapeutic levels of apramycin, carbadox, and chlortetracycline.