On July 13, "Seminar on Prevention and Control of Crab Disease (Milk Disease) in Northern China" was held in Panjin. This event was hosted by the Panjin Municipal People's Government, Panjin Science and Technology Bureau, Panjin Agriculture and Rural Bureau, Panjin Crab Industry Alliance, Panjin Photosynthetic Crab Industry Co., Ltd. (Liaoning Photosynthetic Aquaculture Industry-University-Research Alliance, National River Crab Industry Technology Innovation Alliance, Panjin Comprehensive Experiment Station of National Shrimp and Crab Industry Technology System) jointly undertakes. Jia Honglin, Deputy Mayor of Panjin Municipal People's Government, Wang Defen, Vice President of China Fisheries Association, Fu Xin, Director of Fisheries and Fisheries Administration of Liaoning Provincial Department of Agriculture and Rural Affairs, and Wan Jiwu, Director of Jilin Provincial Fisheries Technology Promotion Station, attended the meeting. Heilongjiang Fisheries Research Institute, Chinese Academy of Water Sciences, Heilongjiang Fishery Technology Promotion Station, Tianjin Fisheries Research Institute, Tianjin Animal Disease Prevention and Control Center, Jilin Agricultural University, Liaoning Modern Agricultural Production Base Construction Engineering Center, Shenyang Agricultural University, Dalian Ocean University, Panjin Agricultural Development Center, Panshan County, Dawa District Agricultural and Rural Bureau and Agricultural Development Center, Shenyang Huatai Fishery Co., Ltd., various governing units of Panjin River Crab Industry Alliance, key enterprises, cooperatives, expert leaders and More than 190 people including representatives of farmers, Dalian Ocean University and Shenyang Agricultural University Zaipan graduate students, and scientific and technical personnel of Panjin Photosynthetic Crab Industry Co., Ltd. attended the seminar.