Tail-end dehulling separates regular canola meal (CM) into low (LFCM) and high (HFCM) fiber fractions. The study was designed to study the effects of tail-end dehulling of CM on the chemical composition, ruminal nutrient degradability, and intestinal protein availability of the resulting HFCM and LFCM fractions. Relative to LFCM and CM, HFCM had higher (P < 0.05) neutral (NDF) and acid (ADF) detergent fiber and acid detergent lignin (ADL) levels. Canola meal had higher (P < 0.05) ADF and ADL but not NDF relative to LFCM. Crude protein (CP) was lower (P < 0.05) in HFCM than in CM and was lower (P < 0.05) in CM than in LFCM. Neutral and acid detergent insoluble CP followed the pattern of NDF and ADF, respectively. Protein fractionation showed no difference in non-protein nitrogen between the three meals. True protein was lower (P < 0.05) in HFCM than CM and LFCM. Sub-fractionation of true protein resulted in a B1 fraction of 148, 145, and 129 g kg−1 for CM, LFCM and HFCM, respectively. Respective values for B2 and B3 fractions were 768, 769, and 751 g kg−1 and 84, 86, and 120 g kg−1. Results indicated that ruminal effective degradability of dry matter and ADF was lower (P < 0.05) in HFCM relative to CM and was lower in CP relative to LFCM. Ruminal effective degradability of CP and NDF was lower in HFCM than in CM and LFCM. No differences were observed between CM and LFCM. Intestinal digestibility of rumen undegraded protein was higher (P < 0.05) in LFCM than in CM and was higher (P < 0.05) in CM than in LFCM. It was concluded that tail-end dehulling of canola meal resulted in a LFCM with higher protein and lower NDF and ADF content and improved nutrient availability and a HFCM with a lower protein and a higher fiber (particularly ADF) content and reduced nutrient availability. Further studies are required to determine the effect of feeding HFCM on ruminant performance. Key words: High fiber, low fiber, canola meal, chemical composition, ruminal degradability