河蟹育苗敌害生物的防治在河蟹幼体培育过程中，虽然严格要求清池和进水严密过滤，但仍不免会出现种种危害幼体的生物因子，并严重影响幼体的成活率，因此对于幼体生物敌害的防治，不能不引起重视。生物敌害主要有菱形海发藻、聚缩虫、水蜈蚣、华鳔蚤和摇纹幼虫等。一、菱... Crab breeding nuisance biological control in crab larvae culture process, although the strict requirements of clear ponds and influent water filtration, but still inevitably appear all kinds of harmful biological factors of larvae, and seriously affect the survival rate of larvae, and therefore larvae enemy Harm prevention and control, can not but pay attention. Creature enemies are mainly rhombic sea hair algae, poly parachute, water centipede, Huapi fleas and shake larvae and so on. First, Ling ...