On May 20, 2021, the Russian Federal Bureau of Technical Regulations and Metrology issued GOSTR59507-2021 Announcement, a new standard for the determination of the residues of antibiotics and medicinal substances in milk and dairy raw materials through immunological methods. The main contents are as follows:

(1) This standard is applicable to the immunofluorescence method of raw milk and dairy product raw materials, using immunochemical bioanalyzer to determine the content of residual antibiotics and medicinal substances;

(2) Use competitive enzyme-linked immunosorbent assay to determine the presence of antibiotic residues within the measurement range of the competitive antibiotic mass concentration range of 2.0-100.0 μg/dm3;

(3) Immunochromatographic method used to determine whether there are antibiotics and medicinal substance residues.

The standard will take effect on August 1, 2021.

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