CTR=control diet containing rolled barley grain steeped for 48h in equal quantity (wt/vol) of tap water; LAH=treatment diet based on rolled barley
grain steeped for 48 h in equal quantity (wt/vol) of tap water containing 10 g/L lactic acid and heat at 55◦C. b Effect of dietary treatment (Trt), measurement day (D), and treatment by day interaction (Trt×D).