相关实验视频
Updated: Feb 21, 2026

06:56
Influenza Virus Propagation in Embryonated Chicken Eggs
Published on: March 19, 2015
45.7K
在阿尔伯塔省的一群桌子蛋层中爆发了传染性冠状炎
Ashish Gupta1, Teryn Girard1, Hayley Bowling1
1Diagnostic Services Unit, Faculty of Veterinary Medicine, University of Calgary, 11877 85th Street East, NW, Calgary, Alberta T3R 1J3 (Gupta, Morrison); Prairie Livestock Veterinarians, #1 4940 81st Street, Red Deer, Alberta T4P 3V3 (Girard, Bowling); Animal Health Laboratory, University of Guelph, 419 Gordon Street, Guelph, Ontario N1G 2W1 (Slavic).
The Canadian veterinary journal = La revue veterinaire canadienne
|February 20, 2026
概括
传染性病 (IC) 是一种传染性呼吸道疾病,在阿尔伯塔省的一群中造成了重大损失. 严格的生物安全和查对于预防疾病传播至关重要.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 鸟类病理学 鸟类病理学
- 分子流行病学分子流行病学
背景情况:
- 传染性冠状病毒 (IC) 是禽业的重大经济威胁,由*Avibacterium paragallinarum*引起.
- 最近在阿尔伯塔省爆发的疫情凸显了这种疾病对食用卵层的影响,包括死亡率和卵产量减少.
研究的目的:
- 报告和描述最近在加拿大阿尔伯塔省发生的一例传染性Coryza病例.
- 为了确定致病原体及其遗传特征.
- 调查疾病的传播和对生物安全的影响.
主要方法:
- 来自临床样本的细菌学培养 (轨道下阴影,瓦特).
- 针对*Avibacterium paragallinarum*的多部位序列类型 (MLST) 的全基因组测序.
- 用于佩奇血清细胞预测*HMTp210*基因的基因组分析.
主要成果:
- 对*Avibacterium paragallinarum*的隔离证实了IC的诊断.
- MLST确定了该菌株为*A. paragallinarum*序列类型-8,预测是佩奇血清病毒C.
- 疫情与亚临床感染的小猫的引入有关,并确定了传染性支气管炎病毒的同时感染.
结论:
- 这是最近在阿尔伯塔省首次报告的IC病例,强调需要加强监测.
- 严格的生物安全措施,包括仔细引入新鸟类和携带者查,对于预防IC疫情至关重要.
- 这些发现强调了对家禽亚临床感染的查的重要性,以保持家禽群体的健康和生产力.
相关概念视频
Acute Pharyngitis
4.7K
Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
4.7K
Stringent Response in E. coli
411
Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
411
Chronic Pharyngitis
12.9K
Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
12.9K
Infection
12.9K
When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
12.9K

