Stress-induced visceral analgesia assessed non-invasively in rats is enhanced by prebiotic diet

Figure 3 Cecal organic acid content in mmol/L per g (A) or % (B) in rats fed either standard or 4% enzyme-treated rice fiber prebiotic diet and exposed or not to repeated water avoidance stress in rats. Data are expressed as mean ± SE, of number of rats indicated as n below columns. ^aP < 0.05 vs control diet same stress status group; unpaired student t test. WAS: Water avoidance stress; CRD: Colorectal distention.