Nghien Loan market in the Northern region is known for its large trading volume of buffaloes and cows, with over 1,000 animals traded per session. However, ensuring the origin and disease management of these animals is challenging, as traders transport them from various provinces using national and provincial highways. To address this issue, the market management board and veterinary staff inspect the animals before trading, issuing quarantine certificates for transportation. The Bac Kan province has implemented stricter measures, including clinical examinations, vaccination certificates, and quarantine for livestock, as well as regular cleaning and disinfection of the market area, to prevent the spread of diseases.