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Journals and Conferences
Organic products were analysed for the presence of contaminants, microorganisms and antibiotic resistance and compared with those from conventional products. No differences were observed in the Fusarium toxins deoxynivalenol and zearalenone in organic and conventional wheat, during both a dry period and a very wet period which promoted the production of… (More)
The New Netherlands Kidney Test (NNKT) is a method used to detect residues of antibacterial agents in slaughtered animals. This test will shortly be substituted for the current Netherlands Kidney Test (NKT). The new method was tested for its suitability in meat inspection in the field by four district laboratories, comparative studies with the current… (More)
The New Netherlands Kidney Test used in monitoring slaughtered animals for antimicrobial residues will be legalised in the near future. With regard to this new test, minimum pre-slaughter withdrawal periods required to obtain negative results of the test are roughly indicated. The problem of establishing reliable withdrawal periods is briefly discussed.
When the in vitro sensitivity of the New Netherlands Kidney Test (NNKT) is compared with that of the test plates of the current Netherlands Kidney Test (NKT) and the EEC four-plate system (ECT), this shows that it occupies a middle position with regard to aminoglycosides, macrolides and tetracyclines. The test plate of the NNKT is more sensitive to… (More)
The New Netherlands Kidney test is designed for the detection of antibacterial residues in slaughtered animals. It is a single-plate system in which the culture medium used is composed of Standard II nutrient agar, supplemented with 1 per cent of NaCl, 1 per cent of dextrose, 0.2 per cent of KH2PO4 and 0.28 per cent of Na2HPO4.12H2O. After autoclaving, this… (More)
A urine test is described, by which a reliable indication of the time of slaughter is obtained in normal as well as in diseased animals, in which the New Netherlands Kidney Test (NNKT) will be negative. The test plate and testing procedure of the NNKT are used in this urine test.