浙江省三门县是水产养殖大县。水产养殖中以海水养殖为主,海水养殖面积中近一半为青蟹养殖,主要采用蟹虾贝综合混养模式。青蟹是蟹虾贝综合混养中的主养种类。水产动物为变温动物,温度变化对养殖生产至关重要,必须采取科学的饲养管理方法。1.3—4月(惊蛰—谷雨)根据气温变化,3月初当地最低 Sanmen County of Zhejiang Province is a large aquaculture county. Marine aquaculture mainly aquaculture, aquaculture area nearly half of blue crab farming, mainly using crab shrimp mixed polyculture mode. Blue crab is a crab shell breed polyculture in the main species. Aquatic animals are warm-blooded animals, temperature changes are crucial to aquaculture production, we must adopt a scientific feeding and management methods. 1.3-4 months (Jingzhe - Guyu) According to the temperature changes, the lowest in early March