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养殖管理及其对绵羊乳腺淋巴炎的影响

Nora El Khalfaoui^1,2, Bouchra El Amiri², Jean-François Cabaraux³

¹Namur Research Institute for Life Sciences, University of Namur, 5000 Namur, Belgium.

Animals : an open access journal from MDPI

|May 25, 2024

概括

Ovine caseous lymphadenitis (CL) 在摩洛哥的萨尔迪绵羊中很普遍,谷仓通风不良和缺少部控制被确定为关键风险因素. 改善这些管理实践对于预防疾病至关重要.

科学领域:

兽医流行病学兽医流行病学
羊的健康管理和管理
传染病控制和控制传染病

背景情况:

Ovine caseous lymphadenitis (CL) 是一种传染性疾病,在全球范围内影响着绵羊.
了解其流行率和风险因素对于有效的控制策略至关重要.
表面和内脏形式的CL之间的关联需要进一步调查.

研究的目的:

为了确定在Settat省,摩洛哥的萨尔迪绵羊中羊病性淋巴腺炎 (CL) 的患病率.
为了确定与CL感染相关的风险因素.
探索表面和内在的CL表现之间的关系.

主要方法:

进行了两项调查:对57只羊群中的1521只羊进行了现场调查,并对屠宰场的2124只羊进行了杀前和尸后检查.
收集了关于群体特征和管理实践的数据.
通过四重复PCR证实了可疑的CL病例.

主要成果:

表面性CL在所有年龄组中普遍存在,年轻羊的发病率更高.
成年羊 (83%) 的内脏明显比年轻羊 (35%) 更常见.
谷仓通风不良,缺少腹控制和年轻年龄被确定为CL的重要危险因素. 89%患有胸部的动物缺乏表面病变.

结论:

鉴定到的CL风险因素与Settat省的绵羊繁殖管理实践有关.
改善谷仓通风和实施定期腹控制措施对于预防CL至关重要.
谷仓通风成为一种新且显著的CL风险因素.

关键词:

病例性淋巴腺炎的发生.四重复-PCR是一种四重复的PCR.养殖系统的养殖系统.有关风险因素的风险因素.羊群羊群羊群羊群羊群屠宰场屠宰场的意思表面的形式表面的形式这是内脏形式的形式.

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