Monitoring large numbers of slaughter animals for the presence of antimicrobial residues is preferably carried out using microbiological screening methods, because of their high cost-effectiveness. An evaluation of the Nouws antibiotic test (NAT) was performed on routine monitoring samples and the performance of the method was compared with two other microbial screening methods: Screening test for antibiotic residues (STAR) and Premi®Test. Analysis of 591 samples yielded four MRL violations. Three of them concerned tetracyclines that were only detected with the NAT and the STAR method. The fourth, 172 µg kg-1 Sulfadiazine, was detected by all three methods. Additionally, 156 µg kg-1 Tulathromycin was found in porcine meat, while for this residue no MRL in muscle has been established.
- antimicrobial residues
- kidney tissue
Pikkemaat, M. G., Rapallini, M., Oostra, S., & Elferink, J. W. A. (2009). Comparison of three microbial screening methods for antibiotics using routine monitoring samples. Analytica Chimica Acta, 637(1-2), 298-304. https://doi.org/10.1016/j.aca.2008.08.023