Antimicrobial resistance and antibiotic usage in animals in the Netherlands in 2015

26.07.2016

Antibiotic Usage Sales of antimicrobial veterinary medicinal products (206 tonnes) decreased in 2015 by 0.65%,compared to 2014 (207 tonnes). In relation to 2009, the index year used by the Ministry of Economic Affairs, in 2015 total sales decreased by 58.4%. Compared to 2007, the year with highest sales (565 tonnes), the decrease in sales is 64%. Sales and use of antimicrobial drugs of critical importance for human healthcare (fluoroquinolones and cephalosporins of 3rd and 4th generation) were further reduced in 2015 in the monitored animal sectors. In three sectors (pigs, cattle and broilers) an overall reduction in use of antimicrobials was realized. In veal calves and turkeys increased use was noted.  
The prevalence of S. Enteritidis remained comparable to the prevalence in 2014 and was the most predominant serovar in poultry in 2015. The dominant serovars of ciprofloxacin resistant isolates were S. Enteritidis (20%), S. Infantis (12%), S. Typhimurium (8%), S. Heidelberg (8%) and S. Paratyphi var. Java (7%), mainly from poultry and human sources. Resistance rates in C. jejuni from broilers and poultry meat did not substantially change in 2015 as compared to 2014.