Resistant free products are those obtained without the use of antibiotics in farming/processing. The scope covers feed and its additives, animals and animal products.

Non-resistance refers to the non-use of antimicrobials (Ministry of Agriculture of the People's Republic of China Announcement No. 1997 "Catalogue of Veterinary Prescription Drugs (the first batch)", Ministry of Agriculture of the People's Republic of China Announcement No. 2471 category of antimicrobials, Ministry of Agriculture and Rural Affairs of the People's Republic of China Announcement No. 245 "Catalogue of veterinary prescription drugs (the third batch)") "