1. Fifth ESVAC report: Sales of veterinary antimicrobial agents in 26 EU/EEA countries in 2013. http://www.ema.europa.eu/docs/en_GB/document_library/Report/2015/10/WC500195687.pdf . Accessed 3 May 2016.
2. Belgian Veterinary Surveillance of Antibacterial Consumption. National consumption report 2014. http://www.belvetsac.ugent.be/pages/home/BelvetSAC_report_2014%20finaal.pdf . Accessed 13 Oct 2015.
3. Callens B, Persoons D, Maes D, Laanen M, Postma M, Boyen F, Haesebrouck F, Butaye P, Catry B, Dewulf J. Prophylactic and metaphylactic antimicrobial use in Belgian fattening pig herds. Prev Vet Med. 2012;106(1):53–62.
4. Advice 19-2013 of the Scientific Committee of the FASFC on responsible use of antibacterial substances via group treatment of livestock and the effect on the selection of resistance. http://www.favv-afsca.fgov.be/scientificcommittee/opinions/2013/_documents/Advice19-2013.pdf . Accessed 13 Oct 2015.
5. Regulation (EC) No 1831/2003 of the European Parliament and of the Council of 22 September 2003 on additives for use in animal nutrition. Off J European Union. 2003;L268:29–43.