1. In 1991, the detection of antibiotic residues in meat products began. Once the safety standards are exceeded, they are prohibited from entering the market.2. In 1996, Sweden was the first to ban AGP (antibiotic growth promoter) in animal feed.3. In 1998, Denmark banned the use of the antibiotic feed additive virginiamycin.In 1998, the Netherlands stopped adding olaquindo to animal feed.4. In 1999, the European Commission banned the use of antibiotic feed additives such as tylosin, spiramycin,...