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首页> 外文期刊>Tropical Animal Health and Production >Condensed tannins from Sesbania sesban and Desmodium intortum as a means of Haemonchus contortus control in goats
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Condensed tannins from Sesbania sesban and Desmodium intortum as a means of Haemonchus contortus control in goats

机译：塞斯巴尼亚塞斯班（Sesbania sesban）和硬皮脱皮（Desmodium intortum）的浓缩单宁酸作为控制山羊Haemonchus contortus的一种手段

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摘要

Two experiments were conducted to determine whether the proanthocyanidin (condensed tannin)-containing forage legumes Desmodium intortum cv Greenleaf and Sesbania sesban (accession 15019) could be integrated into a feeding management strategy as a means of Haemonchus contortus control in goats. The anthelmintic effects of condensed tannin extracts from the two legumes on H. contortus L3 larvae were studied in an in vitro larval migration inhibition system. The extracts inhibited larval migration in a dose-dependent manner, and at concentrations from 1,000 μg/ml condensed tannin, the extract from D. intortum caused a significantly higher inhibition of larval migration than did the corresponding concentrations of the S. sesban extract (P < 0.01). Prolonged feeding of tanniniferous forage legumes showed that animals receiving D. intortum had the lowest total worm burden, the lowest female to male parasite ratio, the lowest number of eggs in the uterus of each female worm and the lowest per capita fecundity (P < 0.01). However, there was no change in the performance (weight gain) of parasite-infected goats probably due to incomplete removal of the parasite or prolonged confinement of goats in small pens, which calls for further investigation. However, since there is no single efficient method in control of parasites, based on the obtained data from this experiment, integrated feeding of D. intortum with other suitable method of parasite control is thus suggested.
机译：进行了两个实验，以确定是否可以将含有原花青素（缩合单宁）的豆科植物Desmodium intortum cv Greenleaf和Sesbania sesban（保藏号15019）整合到饲养管理策略中，作为控制山羊Haemonchus contortus的一种手段。在体外抑制幼虫迁移的体系中，研究了两种豆科植物浓缩单宁提取物对棉铃虫L3 幼虫的驱​​虫作用。提取物以剂量依赖性方式抑制幼虫迁移，并且在浓缩浓度为1,000μg/ ml的单宁中，来自杜鹃花的提取物对幼虫迁移的抑制作用明显高于相应浓度的S. sesban提取物（P <0.01）。单宁饲草豆类的长期饲喂表明，接受D. intortum的动物蠕虫的总蠕虫负担最低，雌虫和雄虫的比率最低，每种雌虫子宫中的卵数最低，人均繁殖力最低（P <0.01 ）。但是，被寄生虫感染的山羊的性能（增重）没有变化，可能是由于未完全清除寄生虫或山羊在小围栏中长期隔离所致，需要进一步研究。然而，由于目前尚无单一有效的方法来控制寄生虫，因此，基于从该实验中获得的数据，建议使用其他合适的寄生虫控制方法对杜鹃花进行综合饲养。

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  • 来源
    《Tropical Animal Health and Production》 |2012年第8期|1939-1944|共6页
  • 作者

    Etana Debela; Adugna Tolera; Lars Olav Eik; Ragnar Salte;

  • 作者单位

    Department of Animal and Aquacultural Sciences Norwegian University of Life Sciences P.O. Box 5300 1432 Ås Norway;

    Department of Animal and Range Sciences College of Agriculture Hawassa University P.O. Box 5 Hawassa Ethiopia;

    Department of Animal and Aquacultural Sciences Norwegian University of Life Sciences P.O. Box 5300 1432 Ås Norway;

    Department of Animal and Aquacultural Sciences Norwegian University of Life Sciences P.O. Box 5300 1432 Ås Norway;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Condensed tannins; Gastrointestinal nematode; Haemonchus contortus; Goats;

    机译：浓缩单宁;胃肠道线虫;捻转血矛线虫;山羊;

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