Jason Yan, PhD, is a pig farming expert. He specializes in animal epidemiology and agribusiness management. He has been engaged in the research and management of new technologies in modern pig farming for a long time, covering a variety of fields such as pig farm production models, differential diagnosis of diseases under field conditions, on-farm breeding, reproductive management, and precision nutrition. In recent years, his primary work focused on disease prevention and control and production model upgrade under  production conditions.