利用塑料大棚升温，将大眼幼体培育至五期幼蟹，是提高蟹苗放养成活率及放养规格的好办法．它具有占地少、投资小、见效快、易管理、收益大的特点。我场从1955年开始搞大眼幼体培育，积累了一些成功经验。现将主要技术要点介绍如下：一、培育地选择与建造幼蟹培育地一般应选择 The use of plastic greenhouses warming, the big eye larvae raised to five crabs, is to improve the crab shoot stocking survival rate and stocking a good way. It has a small footprint, small investment, quick, easy to manage, the benefits of large features. My field from 1955 to engage in big eye larval breeding, has accumulated some successful experience. Now the main technical points are as follows: First, nurturing to select and build crab nurturing generally should choose