Dietary Vanadium Induces Oxidative Stress in the Intestine of Broilers

被引:0
作者
Yuanxin Deng
Hengmin Cui
Xi Peng
Jing Fang
Kangping Wang
Wei Cui
Xiaodong Liu
机构
[1] Sichuan Agricultural University,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine
来源
Biological Trace Element Research | 2012年 / 145卷
关键词
Dietaty vanadium; Oxidative stress; Antioxidant enzyme; Lipid peroxidation; Intestinal mucosa; Broilers;
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中图分类号
学科分类号
摘要
The purpose of this study was to examine oxidative stress induced by dietary vanadium in the mucosa of different parts of intestine including duodenum, jejunum, ileum, and cecal tonsil. A total of 420 1-day-old avian broilers were divided into six groups and fed on a corn–soybean basal diet as control diet or the same basal diet supplemented with 5, 15, 30, 45, and 60 mg/kg vanadium as ammonium metavanadate. During the experimental period of 42 days, oxidative stress parameters were determined for both control and experimental groups. The results showed that malondialdehyde content was significantly higher (p < 0.05 or p < 0.01) in 30, 45, and 60 mg/kg groups than in control group. In contrast, the activities of superoxide dismutase, catalase, and glutathione peroxidase, and ability to inhibit hydroxyl radical, and glutathione hormone content were significantly decreased (p < 0.05 or p < 0.01) mainly in 45 and 60 mg/kg groups in comparison with those of control group. However, the abovementioned oxidative stress parameters were not significantly changed (p > 0.05) in 5 and 15 mg/kg groups. It was concluded that dietary vanadium in excess of 30 mg/kg could cause obvious oxidative stress in the intestinal mucosa, which could impact the antioxidant function of intestinal tract in broilers.
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页码:52 / 58
页数:6
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