Junjun Wang, professor and vice president of the School of Animal Science and Technology of China Agricultural University, vice chairman of the Beijing Animal Husbandry and Veterinary Society, director of the Pig Nutrition Committee of the Animal Nutrition Branch, and deputy director of the Sterile Animal Committee of the Chinese Society of Experimental Animals, is a national outstanding youth. Winner of the Science Fund, Project Leader of the National Key R&D Program, Post Scientist of the National Pig Industry Technology System, Deputy Editor-in-Chief of Animal Nutrition, Executive Editor-in-Chief of Animal Models and Experimental Medicine, Editorial Board Member of Journal of Animal Science and Biotechnology. He has long been engaged in the research of developmental defects and nutritional regulation of intrauterine growth restricted (IUGR) pigs, precise nutrition and precise feeding of pigs. In the past 5 years, he has published more than 50 high-level papers in journals such as Journal of Nutrition, Microbiome, and Gut Microbes as the first/corresponding author, and published 3 monographs as the chief editor/associate editor. The first author won the first prize of Shennong China Agricultural Science and Technology Award and China Youth Science and Technology Award.