异育银鲫是中科院水生所选用黑龙江省方正县的方正银鲫作母本，江西的兴国红鲤作父本，经异精雌核发育产生的子代。它具有明显的生长优势，生长速度比母本平均快 34.7％，当年繁殖的苗种，年底可长至 200～ 250克，第二年即可长到 500克左右。现将养殖技术介绍如下。 一、主养 Allogynogenetic crucian carp is selected by Institute of Aquaculture of Founder Founder County, Heilongjiang Province as the mother of the carp, Jiangxi Xingguo red carp as a male parent, heteroplasia gynogenetic development of offspring. It has a distinct growth advantage, the growth rate of 34.7% faster than the average mother, the year breeding seedlings, the end can grow to 200 to 250 grams, the second year can grow to about 500 grams. Breeding techniques are introduced below. First, the main support