“谷雨”一过,随着气候转暖,水温回升,对季节变化十分敏感的水产动物河蟹,代谢强度逐渐增大,活动能力增强,它们结束较长间的蛰伏状态,进入寻找食物、增加营养的生长期,并在适宜的水质、水温范围内进行新年度的第一次脱壳生长。 As soon as the “Guyu” passes, as the climate gets warmer and the water temperature rises, the crab, an aquatic animal that is sensitive to seasonal changes, gradually increases in metabolic intensity and activity ability, and ends the longer dormant state and enters the search for food to increase nutrition Of the growth period, and in the appropriate water quality, water temperature within the first year of the new shelling growth.