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发展青虾养殖,是一项本小利大见效快的事业,而发展养殖青虾,搞好越冬是十分重要的一环。实践表明,搞好青虾越冬,应当严抓“四巧”: 第一:巧选池 越冬池要选用比较规则、避风向阳、水深1.2米以上的池塘,池中放些水花生之类的水草或柳树枝、瓦片、砖块等隐蔽物。每亩可放柳树枝25—35公斤,水草150—200公斤。 第二:巧放养 放养时间在12月中下旬,选择晴暖天气进行。幼虾越冬,最好是每亩放养每公斤2000—3000尾的幼虾20—40公斤。
The development of freshwater shrimp farming is a very effective way to small profits. It is very important to develop freshwater shrimp and wintering the winter. Practice shows that, do a good job of winter shrimp, should be strict “four clever”: First: pool selection of over-wintering pool comparative rules, sheltered from the sun, the water depth of 1.2 meters above the pond, the pond put some water peanut grass Or willow branches, tiles, bricks and other hidden objects. Can be put per mu of willow branches 25-35 kg, 150-200 kg of water grass. Second: clever stocking and stocking time in late December, select sunny weather. Juvenile shrimp winter, it is best per acre stocking 2000-3000 juvenile shrimp 20-40 kg.