草鱼(Ctenopharyngodon idellus)是我国传统的养殖鱼类。目前水产配合饲料中,蛋白源主要是鱼粉和豆粕,但其供应量与畜牧业的发展产生了很大的矛盾,因此寻找适合的替代蛋白源是我国养殖业普遍面临的课题。我国菜籽粕年产量达600万吨以上,且菜籽粕的营养价值很高,粗蛋白含量可达4 Grass carp (Ctenopharyngodon idellus) is China’s traditional farming fish. At present, the main source of protein in fish feed is fishmeal and soybean meal, but its supply has a lot of contradictions with the development of animal husbandry. Therefore, finding a suitable alternative protein source is a common problem facing aquaculture in our country. China’s annual output of rapeseed meal up to 6 million tons, and high nutritional value of rapeseed meal, crude protein content of up to 4