欧洲丁是原产于欧洲大陆的古老经济鱼类,该鱼营养价值极高,极具观赏性,且经济价值较高。前些年,因为欧洲丁生长速度慢、产量低、不好养,丁养殖呈下降态势。近年来,欧洲丁经过培育改良选优,其生长性能有了很大提高,现在养殖的丁基本上就都是改良的欧洲丁。现就成鱼在库汊的一些养殖技术探讨如下:一、库汊消毒库汊通常为几十亩,最适宜的是养殖成鱼,每年 European dunnock is an ancient economic fish native to continental Europe. The fish is highly nutritious, highly ornamental, and of high economic value. A few years ago, because of the slow growth of Ding Ding in Europe, low yields, poor nutrition, Ding Hao farming showed a downward trend. In recent years, the European Ding  improved selection of cultivated and improved its growth performance has been greatly improved, and now farming Ding  are basically improved European Ding . Now into the fish in the library of some farming techniques are discussed below: First, the library 汊 disinfection 汊 usually tens of acres, the most suitable is farming into fish, each year