Youji Ma: Professor, Doctoral Supervisor, Leading Talent of Gansu Province, Flying Scholar of Gansu Province, now Deputy Director of the Editorial Department of the Gansu Agricultural University Journal. He is also an expert on the National Sheep Genetic Improvement Program, a member of the National Sheep Genetic Resources Census, an expert on the National Standardization Working Group of Sheep and Specialty Livestock Industry, an executive director of the Sheep Breeding Branch of the Chinese Animal Husbandry and Veterinary Association, a director of the Sheep Branch of the China Animal Husbandry Association, and the head of the Leading Sheep Program of Gansu Agricultural University. He has participated in more than 20 projects, won more than 10 provincial- and ministerial-level scientific and technological awards (1 first prize, 5 second prizes, 4 third prizes), edited more than 10 monographs and textbooks, published more than 150 articles, and authorized more than 20 patents and computer software copyrights.