一、河蟹养殖准备工作1.池塘条件。蟹池应选择水源充沛、水质良好、环境安静、路通电通的地方。池塘要求:水深1.2米左右,坡比1:(3～4),池中央有浅滩平台区,四周留有沟形的深水区带;进、排水口设置在池的相反塘埂上,并设置60目双层过滤拦栅网;塘埂坚实不漏水,防止河蟹打洞,能保 First, the crab breeding preparation 1. pond conditions. Crab pool should choose plenty of water, good water quality, a quiet environment, the road through power place. Pond requirements: water depth of about 1.2 meters, slope ratio of 1: (3 to 4), the pool central shoal platform area, surrounded by ditch-shaped deep water zone left; into the drainage outlet set in the pond opposite pond 埂, and set 60 mesh double-layered filter bar net; Tang Xi solid watertight to prevent crab holes, can protect