Sampling and analysis for the presence of residues of chemicals, pesticides, contamination by heavy metals, mycotoxins and salmonella and verifying compliance with requirements for drugs in feeds;

• 取样分析存在的化学物质残留、杀虫剂、重金属污染、毒枝菌素和沙门氏菌,并检验饲料中含毒物质是否符合要求;