研究简报 Short Communications

镰刀菌毒素对断奶仔猪生长性能、小肠二糖酶活性和抗氧化能力的影响

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  • 1. 山东农业大学动物科技学院, 泰安 271018;
    2. 济南市动物疫病预防与控制中心, 济南 250000
陈祥兴(1988—),男,山东淄博人,硕士研究生,从事动物营养与饲料科学研究。 E-mail: cxxabcd@163.com

收稿日期: 2015-01-06

  网络出版日期: 2015-06-17

基金资助

山东省现代农业产业技术体系生猪创新团队建设项目(SDAIT-06-022-05)

Effects of Fusarium Toxins on Growth Performance, Small Intestinal Disaccharidase Activities and Antioxidant Capacity of Weaning Piglets

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  • 1. College of Animal Science and Technology, Shandong Agricultural University, Tai'an 271018, China;
    2. Center for Control and Prevention of Animal Diseases of Jinan, Jinan 250000, China

Received date: 2015-01-06

  Online published: 2015-06-17

摘要

本试验旨在研究镰刀菌毒素对断奶仔猪生长性能、小肠二糖酶活性和抗氧化能力的影响。选择35日龄平均体重为(8.45±0.94) kg的健康三元杂交(杜×长×大)断奶仔猪40头,随机分为2组,对照组20头,试验组20头。对照组饲喂基础饲粮,试验组饲喂的试验饲粮是用霉变玉米和霉变玉米蛋白粉代替基础饲粮中50%的玉米和玉米蛋白粉配制而成(含玉米赤霉烯酮0.90 mg/kg,脱氧雪腐镰刀菌烯醇1.43 mg/kg,烟曲霉毒素5.85 mg/kg)。仔猪采用单体笼饲养,预试期7 d,正试期35 d。结果表明:与对照组相比,镰刀菌毒素显著降低了仔猪的平均日增重和平均日采食量(P<0.05),显著升高了料重比(P<0.05);与对照组相比,镰刀菌毒素显著降低了十二指肠和空肠的乳糖酶活性、空肠和回肠的蔗糖酶活性(P<0.05);与对照组相比,镰刀菌毒素显著降低了空肠和回肠的过氧化氢酶活性以及十二指肠、空肠和回肠的总超氧化物歧化酶和谷胱甘肽过氧化物酶活性(P<0.05),显著升高了空肠和回肠的丙二醛含量(P<0.05)。由此得出,本试验条件下,镰刀菌毒素能够降低断奶仔猪小肠二糖酶活性和抗氧化能力,危害小肠健康,并对其生长性能造成负面影响。

本文引用格式

陈祥兴, 杨维仁, 张崇玉, 黄丽波, 张磊, 牛群升, 陈宁波, 刘宁, 姜淑贞 . 镰刀菌毒素对断奶仔猪生长性能、小肠二糖酶活性和抗氧化能力的影响[J]. 动物营养学报, 2015 , 27(6) : 1875 -1882 . DOI: 10.3969/j.issn.1006-267x.2015.06.025

Abstract

The aims of the present study were to investigate the effects of Fusarium toxins on growth performance, small intestinal disaccharidase activities and antioxidant capacity of weaning piglets. A total of 40 healthy weaning piglets (Duroc×Landrace×Large White) aged at 35 days with an average body weight of (8.45±0.94) kg were randomly allocated into 2 groups with 20 piglets in control group and 20 piglets in experimental group. Piglets in the control group were fed a basal diet only, and the piglets in the experimental group were fed a test diet in which 50% corn and corn gluten meal were replaced by naturally contaminated corn and corn gluten meal (containing 0.90 mg/kg zearalenone, 1.43 mg/kg deoxynivalenol and 5.85 mg/kg fumonisin). Piglets were fed individually in a cage for 35 d after 7 d adaptation. The results showed that the average daily feed intake and average daily gain of piglets from the experimental group significantly decreased compared with the control group (P<0.05), but feed to gain ratio significantly increased (P<0.05). Compared with the control group, Fusarium toxins significantly decreased the lactase activity of duodenum and jejunum, the sucrose activity of jejunum and ileum (P<0.05). Compared with the control group, Fusarium toxins significantly decreased the catalase activity of jejunum and ileum, and the total superoxide dismutase and glutathione peroxidase activities of duodenum, jejunum and ileum (P<0.05), while significantly increased the malondialdehyde content of jejunum and ileum (P<0.05). It is suggested that Fusarium toxins can decrease small intestinal disaccharidase activities and antioxidant capacity of weaning piglets to damage the intestinal health, and they also have a negative impact on growth performance under this experimental condition.

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