大瓶螺不仅是一种营养丰富的佳肴,而且是鳖、虾、蟹、鳝和牛蛙等名特水生动物喜食的鲜活饲料。为使大瓶螺在各类水体中均能养殖,作者研究出大瓶螺网箱四级轮养技术,介绍如下: 1.工艺流程 大瓶螺性成熟的年龄,在长江流域一般为60～70日龄(体重20～25克)。为了充分利用性成热前的快速生长 Bottlenose is not only a nutritious food, but also live turtle, shrimp, crabs, eel and bullfrog, and other aquatic animals like fresh feed. In order to enable the giant snails to breed in all kinds of water bodies, the authors developed a four-round round-cage aquaculture technology, as follows: 1. The process of large snails mature age, in the Yangtze River Basin is generally 60 to 70 days of age (Weight 20 ~ 25 grams). To take full advantage of the rapid growth of sexual pre-heat