Comment un antibiotique donnés aux animaux produit des résistances pour d'autres antibiotiques

http://www.pnas.org/content/early/2012/01/11/1120238109.full.pdf+html

"Some enriched genes,
such as aminoglycoside O-phosphotransferases, confer resistance
to antibiotics that were not administered in this study, demonstrating
the potential for indirect selection of resistance to classes of
antibiotics not fed."