Dr. Zhao graduated from China Agricultural University majoring in animal medicine. His work experience includes: 2017.12-present Technical Service Director of Hangzhou Youben Animal Vaccine Co., Ltd.; 2006.01-2017.11 Senior Technical Manager of Group Account of Zoetis Animal Health Co., Ltd.; and 1999.5-2005.12 Tianjin Zhengda Feed Technology Co., Ltd.. He is Technical Service Supervisor for Key Accounts. He obtained the qualification of practicing veterinarian in 2009. He is responsible for the projects: serving pig farms of various domestic groups, has rich experience in handling difficult problems on the site of pig farms, and has rich cases of prevention and control of PRV, PRRS, PEDV and other infectious diseases, and has promoted the inactivation of PRRS since 18 years Miao's prevention and control technology for PRRS has achieved good results in pig farms of various groups, and has been recognized by the industry as a safer, more effective and lasting PRRS prevention and control measure; founder of Chang'e Xindan original breed pig farm (2011-present), promote and popularize the super high-yielding sow breeding demonstration project, and increase the sow PSY of surrounding cooperative enterprises by 3 to 7 heads per year.