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二、团头鲂的鱼苗培育1.食性。团头鲂鱼苗刚孵化出来时,同四大家鱼鱼苗的生物学特性相同,以卵黄囊中的卵黄为营养物质。稍长大后,随卵黄囊的消失始摄食小型浮游动物,即原生动物、轮虫、无节幼体等。再逐渐长大,以大型的枝角类、挠足类等浮游动物为食。待长到一寸左右,以枝角类为主食,吃少量的柳叶苲、漂沙等水生嫩叶,以后逐渐喜欢吃苦草、陆生嫩草、植物碎屑等。
Second, the bream nursery fry 1. Feeding. Bream fish fry just hatched out, the same with the four major fish fry the biological characteristics of the yolk in the yolk as a nutrient. Slightly grow up, with the disappearance of the yolk sac feeding small zooplankton, protozoa, rotifers, nauplii and so on. And then gradually grow up, large-scale species of cladocerans, chimeris and other zooplankton food. To be grown to an inch or so, to claddings as the staple food, eat a small amount of willow leaves, floating sand and other aquatic leaves, and later gradually like to eat bitter grass, terrestrial tender grass, plant debris and so on.