In the production of raw milk, there are three kinds of production organization forms: farmer families, dairy farming area and modern pasture, of which the main family of farmers. Dairy industry chain in the dairy processing links are mainly by their own brand of dairy enterprises to complete, dairy companies often have both processing and marketing of two links.

For the safety testing of dairy products, Dean has the raw materials from the upstream side (dairy farmers, pastures, milk stations, etc.), to the downstream terminal monitoring of supporting reagents and methods.

For the upstream raw material end, the primary screening method - rapid test strip, suitable for dairy farmers, pastures, milk stations, milk business acquisition of raw materials such as initial screening, the method of low price, qualitative, on-site monitoring and other functions , The method of using conditions relaxed, simple operation.

Mainly used for enterprise self-test-side rapid detection kit, liquid chromatography, gas chromatography and other methods - these methods can test the results of data for enterprise quality inspection center of the regular census, so the quality of milk to thoroughly, forming Quality and safety database. According to the different seasons and drug use monitoring, effective guidance to the factory, milk and other relevant departments for antibiotic control.

The quality of the end product is mainly detected by GC-MS-MS and LC-MS-MS. The method can be used to qualitatively, quantitatively and accurately confirm the residue. But its high input, operation is difficult to maintain the characteristics of your decision can not be used as routine testing methods, so when companies use the first two methods in the positive samples, using this method to confirm, can improve the detection of rationality.