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我国淡水养殖发展迅速,特别是改革开放的十多rrrrrrrrn年来,淡水养殖总产量居世界首位。水产品供求矛盾rrrrrrrrn基本得到解决,有些地方、有些品种甚至出现了供大rrrrrrrrn于求的局面。养殖品种由原来单纯的几个主养品种,rrrrrrrrn向着多元化的名特优新品种转化,市场受欢迎的名特rrrrrrrrn优新品种占水产品总量的比例不断加大,使水产品市
Freshwater aquaculture in China is developing rapidly, especially over a dozen in the reform and opening up. For the past few years, the total freshwater aquaculture production has been the highest in the world. The contradiction between the supply and demand of aquatic products basically solved, in some places, some varieties even appeared for the large r n in seeking the situation. Breed varieties from the original purely several cultivated varieties, to the diversification of the brand name of the new varieties of transformation, the market popular name special r r r r The proportion of excellent new products in the total amount of aquatic products continues to increase, making aquatic products market