汉寿县有养殖水面21。万亩,是我省的水产大县,也是全国的特种水产品的重点产区。1992年全县特种水产养殖面积5900亩(不含套养等),年产牛蛙蝌蚪3500万尾,商品蛙10万kg,幼鳖20万只,鳖500t,幼蚌1亿只,珍珠5t,加上鳜鳢鳝等,产量为2500t,产值近5000万元,占水产品总产值(1.3亿元)的38.46％。我县发展特种水产养殖业的主要体会有以下四点: 1 建立专门的科研机构和繁殖场,是大力发展特种水产的基础。1974年汉寿县成立了水产科学研究所,率先在国内研究特种水产,取得 Hanshou County has aquaculture water surface 21. Mu, is my province’s major aquatic products, but also the country’s key aquatic products producing areas. In 1992 the county special aquaculture area of ​​5900 mu (excluding nesting, etc.), with an annual output of 350000 tadpoles bullfrog, commodity frog 100,000 kg, 200,000 juvenile turtle, turtle 500t, 1 million young mussels, pearl 5t, With eel, eel, etc., output 2500t, output value of nearly 50 million yuan, accounting for 38.46% of the total output value of aquatic products (130 million yuan). My county development of special aquaculture main experience has the following four points: 1 to establish a special scientific research institutions and breeding grounds, is to vigorously develop special aquatic foundation. 1974 Hanshou County set up a Fisheries Science Institute, the first in the country to study special aquatic products, made