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Cytometric analysis of CD5+ B (B1) cells and B CD21+ (B2) cells isolated from porcine ileal wall in the control group and group T-2 on days 14, 28, and 42 (pg/mg protein; n = 5 each). The results are presented as means ± SEM. Statistically significant differences were determined at * p < 0.05, *** p < 0.001, and **** p < 0.0001.
