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随着河蟹养殖事业的迅猛发展，河蟹育苗单位如雨后春笋般迅速壮大。由于河蟹苗产量的增加及养殖户购苗观念的日臻成熟，蟹苗价格已由过去的４０００～５０００元／公斤降到２０００元／公斤左右。育苗单位的经营观念也由过去片面追求产量，有产量便是效益；转变到不但要确保产
With the rapid development of crab farming, crab nursery units have mushroomed rapidly. Due to the increase in the production of crabs and the increasing maturity of farmers buying seedlings, the price of crabs has dropped from 4000 ~ 5000 yuan / kg to about 2000 yuan / kg in the past. Nursery units operating concept from the past one-sided pursuit of output, yield is the benefit; change not only to ensure that production