异育银鲫 是中科院水生所经多年研究,采用黑龙江方正县双风水库的天然三倍体银鲫为母体,江西省兴国县的兴国红鲤为父本,经异精雌核发育产生的了代,其本身也是三倍体。它具有明显生长优势,生长速度比它的母本平均快34.7％,当年繁殖的苗种,年底可长至200—250g,第二年即可长到500g左右,鱼种池 Allogynogenetic crucian carp (Carassius auratus gibelio) is a perennial study of aquatic organisms of Chinese Academy of Sciences. The natural triploid silver crucian carp (Carassius auratus gibelio) as the parent in Shuangfeng Reservoir, Founder County, Heilongjiang Province, Generation, itself also triploid. It has obvious growth advantages, the growth rate of 34.7% faster than its mother, on average, the year breeding seedlings, the end can grow to 200-250g, the second year can grow to about 500g, fish ponds