Effects of dietary supplementation with palygorskite on intestinal integrity in weaned piglets

文献类型： 外文期刊

第一作者： Zhang, Junmin

作者： Zhang, Junmin;Tang, Chaohua;Lv, Yunfeng;Wang, Xiuqi

作者机构：

关键词： Palygorskite;Weaned piglets;Intestinal integrity

期刊名称：APPLIED CLAY SCIENCE （ 影响因子：5.467； 五年影响因子：5.414 ）

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收录情况： SCI

摘要： The effects of dietary supplementation of palygorskite on intestinal integrity in weaned piglets were investigated in this study. Pigs weaned at 24 days of age (n = 27) were allocated to three groups and fed the same basal diet supplemented with 0 mg/kg (control), 2000 mg/kg, or 3000mg/kg palygorskite for 42days. Three pigs from each treatment group were slaughtered for assessment of intestinal integrity on days 21 and 42. The results showed that both the feed/gain and the rate of diarrhea were decreased (P＜ 0.05) with supplementation of 2000 mg/kg palygorskite, and there were no significant differences between the two palygorskite-treated groups. Pigs fed palygorskite showed lower (P ＜ 0.05) plasma endotoxin and diamine oxidase concentrations on day 21. Compared with control, the villus diameters of duodenum (2000 mg/kg group) and ileum (3000 mg/kg group) were increased (P＜ 0.05) on day 21, and villus height of the ileum was improved in the groups given palygorskite (P ＜ 0.05) on day 42. Lymphocyte numbers in the jejunum were increased (P ＜ 0.05) with dietary supplementation of 2000 mg/kg palygorskite on day 42, compared with control. Palygorskite was shown to be beneficial to the intestinal integrity, which resulted in improving growth performance in weaned piglets.

分类号： TQ17

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