相关实验视频

Updated: Jan 16, 2026

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

Published on: July 11, 2015

在牛群中,系统性颗粒瘤与毛虫毒性相关

Viju V Pillai¹, Mario F Sola¹, Stephen B Hooser¹

¹Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, United States of America.

Research in veterinary science

|September 25, 2025

概括

毛的毒毒症在一年大的牛中引起严重的皮肤炎和全身细粒体性疾病. 疫情导致19人死亡,突出了有毒植物在牲畜中摄入的危险.

科学领域:

兽医病理学兽医病理学
毒理学毒理学毒理学
动物科学动物科学

背景情况:

夏季初,科罗拉多州东北部发生了一场严重皮肤炎疫情,影响了科罗拉多州东北部的黑色年龄牛.
受影响的动物表现出症状,包括食欲丧失,皮肤粗,体重减轻,高温,和淋巴腺症.

研究的目的:

调查牛群严重皮肤炎爆发的原因.
确定导致观察到的临床症状和死亡率的致病因子.

主要方法:

对受影响的牛进行了临床和尸检.
对皮肤,脏,肝脏和脏组织进行了组织病理学评估.
收集了流行病学数据,包括放牧模式.

主要成果:

尸检发现包括明显的淋巴腺病变和多个器官的白焦点.
组织学揭示了严重的结节性至扩散性颗粒状皮肤炎,其中含有埃索诺菲尔和多核巨细胞.
在脏,肝脏和脏中观察到类似的炎症模式,与全身颗粒性疾病一致.

结论:

临床和病理学发现强烈表明毛的毒毒症是疫情的原因.
受影响的牛曾在被毛污染的牧场上放牧,支持了诊断.
这一案例凸显了毛的虫可能导致牛的严重系统性疾病的潜力.

关键词:

牛牛牛牛牛牛这是一种eosinophilic的.颗粒状的颗粒状的一个毛的兽医.

更多相关视频

Handling of the Cotton Rat in Studies for the Pre-clinical Evaluation of Oncolytic Viruses

Handling of the Cotton Rat in Studies for the Pre-clinical Evaluation of Oncolytic Viruses

Published on: November 24, 2014

A Contemporary Warming/Restraining Device for Efficient Tail Vein Injections in a Murine Fungal Sepsis Model

A Contemporary Warming/Restraining Device for Efficient Tail Vein Injections in a Murine Fungal Sepsis Model

Published on: November 6, 2020

相关概念视频

Pulmonary Tuberculosis IV

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...