On April 1, Xu Paowent to Rudongto carry out breeding practice of the Chinese mitten crab.At Rudong Breeding Base, his team conducted in-depth exchanges with the heads and staff of the breeding farm to learn more about the breeding process, and put forward the "Yangcheng Lake No. 1" Chinese mitten crab F5 fry breeding plan. At the pond, Xu Pao checked the breeding and embryo development status of parent crabs, and expressed satisfaction with the survival rate of over 90% for large-size parent crabs (6 females or 8 males per half kilogram). At the site, Xu Pao introduced the “Yangcheng Lake No. 1” crab breeding technology, large-scale adult crab breeding technology, and the mitten crab “863” ecological farming model to farmers who came to visit spontaneously.