1. Veterinary Hygiene Certificate: This certificate is a certificate to prove that it meets the veterinary hygiene standards and is one of the necessary certificates for chicken farms.

2. Business license: A business license is a certificate to prove that an enterprise has legal business qualifications, including business scope, qualification grade, registered address and other information.

3. Proof of animal epidemic prevention conditions: This certificate is a certificate issued by the agricultural department to prove that the enterprise meets the animal epidemic prevention conditions, and it is one of the necessary certificates for the sale of free-range chickens and live birds.

4. Business license: A business license is a certificate to prove the legal operation of an enterprise, including the name, address and legal representative of the enterprise.

In addition to the above certificates, you should also pay attention to the following points:

1. When applying for relevant licenses, it is necessary to provide authentic, accurate and effective certification materials.

2. The license is usually valid for one year and needs to be renewed after its expiration.

3 sales of free-range chickens and live birds shall be implemented in accordance with relevant laws and regulations. Where the state prohibits the sale of wild animals, it shall not sell live poultry without quarantine.