Anti-microbial Use in Animals: How to Assess the Trade-offs.

"Conflict of Interest The authors have no conflicts of interest to declare."

"Contents of this article were presented in an international expert meeting, ‘Reducing antimicrobial usage in agriculture and aquaculture: beyond regulatory policy’, held in Utrecht, the Netherlands, 1–3 July 2013. The Workshop was sponsored by the OECD Co-operative Research Programme on Biological Resource Management for Sustainable Agricultural Systems, the Netherlands Organization for Health Research and Development (ZonMW) and the Dutch Ministry of Economic Affairs. The opinions expressed and arguments employed in this publication are the sole responsibility of the authors and do not necessarily reflect those of the OECD or of the governments of its member countries."