Jiyu Liu, PhD in Veterinary Medicine (pursuing studies), National Licensed Veterinarian, Senior Veterinarian. Head of Production & Health Management in the Pig Farming Division in Huangshan Corporation at present; Has been engaged in pig farming production and health management until now, and responsible for the production and technical management at modern pig farms, which average sow inventory were 2400, 6200, 9800 and so on after graduation. Additionally, he has twice training experiences for production practices and health management in the United States.  By summarize the experience in pig production management, the achievements obtained are as follows: 24 related articles, 4 books (2 books served as co-author and 2 books served as deputy editor), 8 utility model patents, 4 group standards formulation, 5 projects (provincial and municipal-level), 5 awards (including the Provincial Science and Technology Progress Award and Provincial Association Award), and have organized the application for 6 provincial/national-level disease elimination demonstration farms/epidemic-free zones.    Concurrent positions: member of Standardization Working Group 1 on Swine Industry of National Technical Committee 274 on Animal Husbandry of Standardization Administration of China, director of the Weihai Comprehensive Experimental Station of ShanDong Pig Industrial Technology System, deputy secretary-general and committee member of ShanDong Veterinary Medical Association, member and executive director of the Pig Industry Branch Expert Group of the Shandong Animal Husbandry Association, industry mentor and teaching internship supervisor at ShanDong Vocational Animal Science And Veterinary College, editorial board member for “swine industry science” magazine.