一、菜籽饼及种类菜籽饼是油菜籽榨油后剩下的粕渣，因种植区域广，饲料来源有保障，物美价廉，又有较高的蛋白含量和榨油后留下的清香味，是一种使用广泛，具有一定代表性的养鱼饲料和钓鱼饵料。常见的菜籽饼有两种，一种是圆盘状的，一种是片状的。圆盘状的黑中见黄，大小似 First, the rapeseed cake and the type of rapeseed cake rapeseeds left after pressing oil residue, due to the planting of a wide area, feed sources are guaranteed, inexpensive, but also a high protein content and left after the oil Scent, is a widely used, with some representative of fish feed and fishing bait. There are two kinds of common rapeseed cake, one is disc-shaped, one is flaky. See the disk-shaped black in the black, the size of similar