在鲢鱼人工繁殖中,常有一部分雌亲鱼的生殖孔红肿外突,养鱼生产者称之为“红屁股”。它们发育成熟好,怀卵量大,但催产困难,亲鱼死亡率高。经过几年的实践,我们摸索出一种简便有效的手术处理方法。具体做法是:挑选催产亲鱼时,将“红屁股”鲢鱼腹面向上平卧水面, In the artificial breeding of silver carp, there are often part of the breeding females reproductive pores swelling, fish producers call it “red ass.” They mature well, with a large amount of eggs, but difficult to induce birth, broodstock mortality. After several years of practice, we explored a simple and effective surgical treatment. Specific approach is: Selection of pro-broodstock, the “red ass” silver carp supine supine surface,