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Effects of treatments on the number of inflammatory cells in the intestinal lamina propria of piglets. Values are mean numbers of inflammatory cells per field (n = 6 animals) with standard deviation (± SD) represented by vertical bars. a,bMean values with unlike letters are significantly different (P < 0.05). OAFA, blend of organic acids and cinnamaldehyde; OAFA1, basal diet supplemented with 1 kg OAFA/ton feed; OAFA2, basal diet supplemented with 2 kg OAFA/ton feed.
