Abstract
Abstract This study aimed to investigate the effects of varying levels of dried fermented rapeseed meal (FRSM) on the nutrient digestibility and antioxidant efficacy in piglets. The experiment was conducted on 300 piglets, starting at 18 days of age. The primary experimental factor was the inclusion of FRSM in the diet, substituting mainly for post-extraction soybean meal and wheat. Two control groups were established: a positive control (PC) supplemented with 2500 ppm zinc oxide, and a negative control (NC) without additives. Additionally, four experimental groups were designated based on FRSM inclusion levels: FR-8 (8% FRSM), FR-12 (12% FRSM), FR-15 (15% FRSM), and FR-25 (25% FRSM). Results indicated a positive impact on nutrient absorption and redox processes, characterized by reduced efficiency of lipid peroxidation products such as malondialdehyde and lipid hydroperoxide in both blood and organs like the liver and intestines. From this perspective, the recommended inclusion of fermented rapeseed meal in piglet feed appears to be within the range of 8–12%
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