Jiyu Liu, master of Preventive veterinary Medicine, national licensed veterinarian. At present, I am the deputy general manager of pig Business Department of Huan Shan Group Co., Ltd. and in charge of Production Department, Boar Station Department, Production Data Department, equipment management, etc. After graduation, I was engaged in pig production, pig health management and other related work. I have been responsible for the production and technical management of modern pig farms of different sizes, including 2400 sows, 6200 sows and 9800 sows, and other large-scale pig farms successively. I have participated in on-site production practice and health management practice training on pig farms in United States twice. Based on the experience of pig production management, I have published 18 literatures (2 English literatures), edited 2 books (one as associate editor), applied 8 utility model patents , participated in 5 projects from country, province, city, respectively .

At the same time, I served as deputy secretary general of Shandong Provincial Veterinary Association, member and executive director of Shandong Provincial Animal Husbandry Association Pig Branch Group, master of Weihai Comprehensive Test Station of Shandong Pig Industry Technology System, member of Pig Industry Standardization Working Group of National Animal Husbandry Standardization Technical Committee; industry tutor of Shandong Animal Husbandry and Veterinary Vocational College, Instructor of teaching practice base; editorial board member of "Swine Science" magazine, etc.