一、苗种培育刚出膜的黄颡鱼鱼苗主要依靠自然卵黄囊提供营养。出膜后2—3天,开始平游摄食,仔鱼期要及时投喂蛋黄或浮游动物(轮虫、枝角类及桡足类的无节肢幼体)。经过20—30天时间的培育,鱼苗体长可达30mm左右,可下塘饲养。此间特别加强黄颡鱼鱼苗培育期间的 First, the seed nurturing Fresh out of the yellow catfish fry rely mainly on natural yolk sac to provide nutrition. 2-3 days after the filming, began feeding plain swim, larvae fed to timely feeding of egg yolk or zooplankton (rotifers, cladocera and copepod nauplii). After 20-30 days of cultivation, fry body length of up to 30mm, can be fed under the pond. In particular, during the cultivation of catfish fry growth period