从寄生虫学的角度来看,绵羊和山羊的共同放牧可能不是问题
I A Kyriánová1,2, I Knížková3, M Ptáček4
1Department of Environment, Faculty of Environment, Jan Evangelista Purkyně University, Pasteurova 3632/15, 400 96 Ústí nad Labem, Czech Republic.
Helminthologia
|November 28, 2025
概括
捷克共和国共同放牧的奶羊和山羊发现了明显的胃肠道线虫 (GIN) 感染. 寄生虫负担不均,突出了物种特定的动态,这对于混合群体的有效寄生虫管理至关重要.
科学领域:
- 兽医寄生虫学 兽医寄生虫学
- 动物健康与生产
- 动物健康 动物健康
背景情况:
- 胃肠道线虫 (GIN) 感染对小反动物的健康和生产力构成重大威胁.
- 有限的数据存在于混合物种放牧系统的GIN动态,特别是在中欧.
- 了解共同放牧的绵羊和山羊中宿主-寄生虫相互作用对于可持续的牲畜管理至关重要.
研究的目的:
- 为了比较GIN物种丰富度和共同放牧的奶牛羊和山羊的感染强度.
- 研究混合物种放牧对传统系统中的寄生虫负担的影响.
- 在共同放牧的绵羊和山羊中描述特定物种的季节性感染模式.
主要方法:
- 在12个月内,从210只山羊和196只绵羊收集了便样本.
- 麦克马斯特方法和幼虫培养被用于GIN的识别和量化.
- 进行了统计分析,以比较宿主物种之间的感染强度.
主要成果:
- 绵羊和山羊都感染了Haemonchus contortus,Trichostrongylus/Teladorsagia spp. 和Oesophagostomum columbianum. 这两种动物都被感染了.
- 羊比羊 (峰值620EPG) 产卵率更高 (峰值1240EPG).山羊的产卵率比羊的产卵率更高 (峰值620EPG).
- 在 H.i. 在山羊中,contortus在一年中占主导地位,而在绵羊中,Trichostrongylus/Teladorsagia spp.具有季节性变化. 在秋天达到顶峰.
结论:
- 共同放牧不会使绵羊和山羊之间的寄生虫负担均质化.
- 在混合放牧的小反动物中观察到独特的,特定于物种的季节性感染动态.
- 结果为优化混合牧场系统中可持续的GIN管理策略提供了基础.
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