我国自1958年四大家鱼人工繁殖成功以后,在鱼类的人工繁殖技术上得到飞速的发展,现多数鱼类都能够通过人工繁育得到鱼苗,只有极少数还有待于解决。在黑龙江地区由于受气候寒冷,冰封期较长的影响,适合家鱼人工繁殖的条件一般在6月或7月。近几年来虽然采用了电厂温流水、塑料大棚 Since the artificial breeding of the four big fish in our country succeeded in 1958, the rapid development of the artificially breeding of fish has led to the fact that most fish are able to get fry by artificial breeding. Only a very small number have yet to be solved. In Heilongjiang Province, due to the cold weather and the long ice period, the conditions suitable for artificial reproduction of domestic fish are generally in June or July. In recent years, although the use of power plants warm water, plastic sheds