波段状尾部病变的发生率和特征 荷尔斯坦牛的尾部病变
Tobias Volhøj1, Cecilie Kirstine Nielsen2, Ditte Marie Schjermer2
1Vendsyssel Landdyrlaeger, Bredgade 80, Tårs, DK-9830, Denmark.
Acta veterinaria Scandinavica
|May 15, 2024
概括
带状尾部病变影响25%的荷尔斯坦牛,以伤口或组织形成的形式出现. 这些病变通常位于背部,距离尾尖7厘米,并且通常是孤立的.
科学领域:
- 兽医皮肤病学 兽医皮肤病学
- 牛的健康问题
- 流行病学 流行病学
背景情况:
- 带状尾部病变是公认的牛病症.
- 了解它们的流行和特征对于群体管理至关重要.
研究的目的:
- 描述和确定荷尔斯坦牛中带状尾部病变的流行率.
- 调查这些病变的类型和位置.
主要方法:
- 在16个丹麦牛群中对2099头荷尔斯坦牛进行了检查.
- 屠宰场检查了458头荷尔斯坦牛.
- 基于类型 (伤口与结缔组织) 和位置的损伤特征.
主要成果:
- 在丹麦霍尔斯坦群中发现带状尾部病变的患病率为25%.
- 病变主要是群体内表皮结合组织 (78%) 的病变.
- 屠宰场的数据显示,伤口病变的比例更高 (67%).
- 发现了对等性和尾尖缺失的关联.
结论:
- 带状尾部病变在荷尔斯坦牛中很常见,在全群中发病率约为25%.
- 伤害类型在活体动物和屠宰动物之间有所不同.
- 进一步研究致病因素和预防策略是有必要的.
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