3.3. Intestinal morphology
Intestinal morphology of the experimental piglets is presented in
Tables 5 and 6. On day 21, the villus diameter in the duodenum
(2000 mg/kg group) and ileum (3000 mg/kg group) were increased
significantly (P b 0.05), compared with control. On day 42, the villus
height in the ileum of the two palygorskite groups was increased
(P b 0.05), and the ileum villus height/crypt depth of the 2000 mg/kg
group was significantly higher than those in the control group
(P b 0.05).