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在三种流鸟中发现系统性异性异症

Camila Issa Amaral¹, Ayisa Rodrigues de Oliveira¹, Eric Santos Oliveira¹

¹Department of Veterinary Clinic and Surgery, Veterinary School, Universidade Federal de Minas Gerais - UFMG, Avenida Antônio Carlos 6627, Belo Horizonte, Minas Gerais, 31270-901, Brazil.

Veterinary research communications

|June 13, 2025

概括

系统性异花,由异花寄生虫引起,在被俘的鸟中被确定. 这项研究详细介绍了疾病的细节.

科学领域:

兽医病理学兽医病理学
寄生虫学的寄生虫学
鸟类疾病鸟类疾病

背景情况:

系统性异花症是由异花属的复杂寄生虫引起的.
这种疾病涉及寄生虫生命周期的肠外部分,导致系统分布.
流浪鸟容易受到各种寄生虫感染.

研究的目的:

为了描述系统性异花胞症的粗和组织病变,在飞鸟类中.
为了确定病原体及其在受影响器官中的分布.
报告Sporophila maximiliani中第一个全身性异花菌病例.

主要方法:

尸检后检查和15只鸟的组织病理学分析.
识别各种组织中的 merozoites 和炎症透物.
DNA提取,基因放大 (23S rRNA,COI),以及用于病原体表征的测序.

主要成果:

在13/15只鸟的小肠中观察到包括囊细胞和淋巴细胞透物在内的组织病变.
伊索斯波拉种类的梅罗佐伊特. 在巨细胞和细胞外发现.
在多个器官中存在炎症性透物和 merozoites:肝脏 (9/15),肺 (4/15),心脏 (3/15),脏 (1/15),和骨肌肉 (1/15).
在Sporophila maximiliani,Serinus canaria和Saltator similis中证实了系统性异花.

结论:

系统性异花性异花症影响多种类动物,有显著的肠道和肠外病变.
这项研究提供了第一个对Sporophila maximiliani.系统性异花菌的全身病理学描述.
这些发现有助于了解Isospora spp.的病理学和宿主范围. 在鸟类中.

关键词:

这就是Atoxoplasmosis.鸟类鸟类鸟类鸟类大嘴种子芬奇大嘴种子芬奇组织病理学组织病理学原生动物原生动物

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