1．双季养虾：在虾池冬捕后至次年夏季放养之间再增养一季商品虾，即在上一年成虾池冬捕时将未达商品规格的青虾放回池养至次年6月前上市。一般亩放幼虾3～6公斤（约1万尾左右〕，亩产可达20～25公斤，南利润可达500～8O0元。2．一鱼一虾：方法一是将成鱼池冬捕时留下的大规格 1. Double-season shrimp: In the shrimp pond after winter catching to the next year between summer stocking another season of shrimp, that shrimp catch the winter of the year will be less than the product specifications of the shrimp back to the pool to support Listing before June. General mu live shrimp 3 ~ 6 kg (about 1 or so), up to 20 ~ 25 kg per mu, South profit up to 500 ~ 8O0 yuan .2 a fish and a shrimp: First, Large format left behind