The second year of a three-year cooperative pond feeding trial series was jointly conducted by the American Soybean Association International Marketing (ASA-IM) program, the USDA Foreign Agricultural Service (FAS/ICD), the Nanjing Institute of Environmental Sciences (NIES) of the State Environmental Protection Administration of China (SEPA), and the Jiangsu Provincial Fisheries Extension Center (JFEC) to demonstrate the productivity, economic, and environmental advantages of the ASA-IM 80:20 pond technology in comparison to a Chinese polyculture technology that used a combination of local sinking feed and fresh grass. The feeding trial was conducted on a commercial fish farm in the Yangzhong area of Jiangsu Province, China. The trial was managed by the ASA-IM aquaculture program and JFEC, in collaboration with FAS and SEPA.