The study was conducted on Carassius auratus gibelio, the effects of rapeseed meal to C. auratus gibelio were detected by the non-specific immunity and the ability of immune response.In the experiment of study on effects of rapeseed meal on the non-specific immunity, soybean meal (SM) and fish meal (FM) were used as basic protein source in the control group (Ⅰ), with 33.43% (Ⅱ), 66.86% (Ⅲ) of double-low rapeseed meal (DLRM) and 34.97% (Ⅳ), 69.94% (Ⅴ) of common rapeseed meal (CRM) to replace the protein of S...