秋天是河蟹成熟的收获季节,也是河蟹最易死亡时期。这里介绍几种防止秋蟹死亡的做法: 一、注意控制水温,防止发生感冒和消化不良。秋天的昼夜温差大,水温差也随之加大,有时变化这10℃以上,河蟹往往因不适应环境而感冒,导致食欲不振,上肢无力,呼吸困难而最终死亡。为此,平时要注意调节水位,控制水温;注入新水 Autumn is the ripening season of crabs, crabs are also the most vulnerable period of death. Here are several ways to prevent autumn crab death: First, pay attention to controlling the water temperature, to prevent the occurrence of colds and indigestion. Autumn temperature difference between day and night, the water temperature also increases, and sometimes changes above 10 ℃, crabs often do not adapt to the environment due to a cold, leading to loss of appetite, upper limb weakness, difficulty breathing and eventually die. To this end, usually pay attention to regulate the water level, control of water temperature; injection of new water