This standard specifies the product specifications, technical requirements, test methods, inspection rules and labeling, packaging, transportation and storage of feed additive vitamin AD3 particles. This standard applies to feed additives vitamin A acetate and vitamin D3 oil as raw materials, mixed with a certain amount of ethoxyquin and (or) 2,6-di-tert-butyl-4-methyl Antioxidants such as phenol (BHT), using auxiliary materials such as gelatin and starch, particles made by spraying. This product is used as a vitamin feed additive in the feed industry.