Dr. Li Jingui is a professor at the College of veterinary medicine, Yangzhou University. He graduated from the college of animal medicine, China Agricultural University in the year 2001 with a doctor's degree, and then worked for Yangzhou University as a lecturer. He was employed as an associate professor in 2004 and as a professor in 2010. He is now a member of the new veterinary drug evaluation committee of the Ministry of agriculture and rural areas, one director of the Chinese veterinary branch of the Chinese animal husbandry and Veterinary Association, and a backbone teacher of the blue and blue project in Jiangsu Province. He has presided over and completed three National Natural Science Foundation projects and one subproject of the 13th five years plan key to research and development project. At present, he has presided over one general project of the National Natural Science Foundation of China and other subjects. Research interest: Research on the prevention and treatment of avian coccidiosis and animal enteritis, the research of microbial resistance, and the antibacterial effect and mechanism of traditional Chinese medicine replacing antibiotics for many years.