人工养蟹死亡原因及预防李怒忠一、死亡原因１、蟹池缺氧。养蟹池的深度应为２米左右，但一般养蟹水深仅为１～１．５米，池中还有蟹岛供河蟹栖息活动，实际贮水量并不多。由于长期投喂，河蟹吃剩的残留物及排泄物在水中发酵，消耗了大量的氧气，特别夏秋季节闷热天气，蟹... Causes and prevention of artificial crab death Li anzhong First, the cause of death 1, crab pond hypoxia. The depth of crab pool should be about 2 meters, but the general crab water depth of only 1 to 1.5 meters, the crab island there for crab habitat activities, the actual amount of water is not much. Due to long-term feeding, crab leftover residues and excrement fermentation in the water, consuming a lot of oxygen, especially hot summer weather, crab ...