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泽布牛 (Bos indicus) 对主要的反动物部病原体的殖民的抵抗力

Peter Kuhnert¹, Nadia Loosli¹, Isabelle Brodard¹

¹Institute of Veterinary Bacteriology, Vetsuisse Faculty, University of Bern, Länggassstrasse 122, Bern 3012, Switzerland.

Veterinary microbiology

|July 12, 2024

概括

泽布牛表现出对常见的细菌病原体的自然抵抗力,与牛牛不同. 这项研究发现泽布的病原体患病率明显较低,这表明它对 hoof 疾病具有保护性优势.

科学领域:

兽医微生物学兽医微生物学
动物遗传学动物遗传学
牛病理学牛病理学

背景情况:

泽布 (Bos indicus) 牛被认为比 taurine (Bos taurus) 牛对环境压力具有更高的抵抗力.
在瑞士的斑马种群中,传染性病显著不存在,与土著的牛品种不同.

研究的目的:

为了比较zebu和taurine牛中的三个关键细菌病原体的流行率.
调查对致牛数字性皮肤炎 (BDD) 和其他病的病原体敏感性的潜在差异.

主要方法:

从屠宰牛的后脚中进行数字间拭子和穿孔活检的PCR分析.
在多个农场中比较60头泽布和20头牛牛之间的病原体检测率.
基因分析,以评估斑马的多样性及其与牛肉牛之间的关系.

主要成果:

在Treponema spp. 的研究中. (与BDD相关) 在泽布牛中没有检测到.
在泽布的较低水平中发现了Dichelobacter nodosus,这表明环境污染而不是殖民.
与zebu. nodosus相比,金牛对T. phagedenis和D. nodosus的流行率和细菌负载显著更高.
Fusobacterium necrophorum只在牛牛中检测到. 牛牛只在牛牛中检测到. 在牛牛中检测到.

结论:

与 taurine 牛相比,zebu 牛对关键细菌病原体的殖民具有显著的抵抗力.
这种耐药性可能解释了在瑞士斑马种群中观察到没有传染性病的情况.
泽布的高基因组多样性和独特的遗传特征支持它们独特的适应性特征.

关键词:

牛的数字皮肤炎这种细菌是Dichelobacter nodosusus.足迹足迹足迹足迹这种细菌名为Fusobacterium necrophorum.遗传性耐药性是一种遗传性耐药性.特雷波内马物种的特雷波内马物种.

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