鱼种质量的优劣,直接关系到养殖的产量、效益。因此,在放养苗种时,选择规格整齐,体表光滑,溯水性强,健壮无伤的苗种是最终获得高产、高效的关键环节。下面介绍一种识别苗种优劣的简单易行的方法:一、看苗种规格:对于同一塘苗种,同一品种个体间肉眼无明显差异,即规格整齐、大小 The quality of fish species, directly related to the yield and benefits of farming. Therefore, in the stocking of seedlings, the selection of tidy specifications, smooth surface, strong water tracing, robust and harmless seed is the key to the ultimate high yield and efficiency. Here’s a simple and easy way to identify the pros and cons of seed: First, see the seed specifications: For the same pond seedlings, the same species of naked eye no significant difference between the specifications that neat, size