Is it legal for the official veterinarian to let the pig farm open its own quarantine certificate?

According to the inquiry of Zhulutong official website, the animal quarantine certificate is issued by the official veterinarian of the animal health supervision agency, indicating the quarantine certificate of an animal and its products. Therefore, it is illegal for official veterinarians to let pig farms issue their own quarantine certificates. Animal quarantine shall be implemented in accordance with relevant national standards and industry standards. Meet the following conditions, it shall issue a quarantine certificate of animal origin.