在幼稚园和终端猪的耳鼻和喉冠状炎
Anderson H Gris1, Manoela M Piva1, Claiton I Schwertz1,2
1Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
Veterinary pathology
|July 20, 2023
概括
这项研究详细介绍了猪中一种新的耳鼻和喉冠状炎疫情,导致耳部病变和呼吸困难. 这种影响弹性软骨的疾病导致死亡率增加,并怀疑营养联系.
科学领域:
- 兽医病理学 兽医病理学
- 猪病研究研究 猪病研究
背景情况:
- 耳鼻和喉冠状炎的爆发影响了养猪场.
- 病变从幼猪的耳血瘤发展到完成猪的严重呼吸困难.
研究的目的:
- 为了描述这种猪中冠状炎爆发的临床病理表现.
- 记录与疾病相关的粗略和微观发现.
主要方法:
- 农场访问用于临床病史收集.
- 对受感染的猪进行临床和尸检.
- 耳朵和喉软骨的显微镜分析.
主要成果:
- 3-4%的猪表现出耳血瘤和带有血栓的软骨碎片化.
- 受影响的成品猪表现出缩的喉软骨,导致部分气道堵塞.
- 在显微镜上,病变涉及碎片化的弹性软骨与炎症和纤维化.
结论:
- 这是关于猪中初级耳鼻和喉冠状炎的第一个报告.
- 这种疾病在加工猪中造成了显著的死亡率,并作为呼吸系统问题的差异.
- 怀疑营养相关性,但触发因素仍未确定.
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