鱼种的秋季强化培育鱼种规格大小与体质好坏，直接影响其越冬成活率。生长实践证实，鱼种规格越小，越冬成活率越低。进入秋季，气温水温逐渐下降，鱼种生长由增加体长为主转入增加体重为主，大量积蓄营养物质，以备越冬消耗所需。因此，必须抓好鱼种的秋季培育管理，特别... Fish species in the autumn to strengthen the size of fish species size and physical fitness, a direct impact on their survival rate overwintering. Growth practices confirmed that the smaller the size of fish species, the lower the survival rate of winter. Into the fall, the temperature gradually decreased water temperature, fish growth by increasing body length mainly to increase body weight, a large number of nutrients, in preparation for winter consumption required. Therefore, we must do a good job in cultivating the management of fish species in autumn, especially ...