随着对虾人工越冬技术的不断提高,越冬虾苗在生产中得到广泛使用,优越性已被虾农所认识,但是,由于我国北方地区早春自然水域水温低而不稳,早培育出的越冬虾苗不能及时放养,这样不仅不能体现越冬虾苗出池早、放养早的优越性,又使越冬(?)因虾 With the continuous improvement of prawn artificial overwintering technology, the overwintering shrimp seedlings are widely used in production. The superiority has been recognized by the shrimp farmers. However, due to the low and unstable water temperature in early spring natural waters in northern China, the overwintering shrimp Miao can not be stocked in time, so not only can not reflect the overwintering shrimp out of the pool as early as the advantages of stocking early, but also to wintering (?) Due to shrimp