Liu Ling, Ph.D., graduated in 2010 from the College of Animal Science and Technology at China Agricultural University. He currently works at China Agricultural University, with his primary research focus on evaluating feed ingredients for pigs and understanding their nutritional requirements. He has worked in this field for over 10 years and has assessed more than 100 different pig feed ingredients. Liu has published over 50 papers and authored the chapter on "Feed Ingredients and Nutritional Value" in the book “Nutritional Requirements of Pigs in China” as well as the corresponding chapter in the national standard “Nutritional Requirements of Pigs. “ His research findings have been applied in various feed and swine production enterprises.