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primary topic: A Field Study on Infectious Bronchitis Virus in Broiler Chickens in Southern Iraq

A Field Study on Infectious Bronchitis Virus in Broiler Chickens in Southern Iraq
type: AcademicArticle
type: Article
abstract: Infectious bronchitis virus (IBV) is a highly transmissible avian Gamma-coronavirus that continues to pose a major challenge to poultry health and productivity worldwide, particularly in broiler production systems. The present investigation aimed to detect and characterize IBV infections in broiler flocks located in two districts of Southern Iraq between late 2024 and early 2025. A total of 200 clinically affected broilers (100 broilers from each flock) were sampled, with tracheal and kidney tissues collected for clinical evaluation, histopathological assessment, and viral isolation. Suspected IBV-infected chickens showed respiratory distress, increased mortality, and kidney lesions. The suggestive post-mortem lesions were caseous plug exudates at the tracheal bifurcation, as well as congested and hyperemic kidneys. The inoculation of tracheal and kidney tissue suspension in embryonated chicken eggs (ECEs) resulted in death, stunting, curling, dwarfism, congestion, and subcutaneous hemorrhages. The histopathological findings in tracheal tissues revealed epithelial desquamation, goblet cell depletion, and lymphocytic infiltration, while kidney findings exhibited tubular degeneration, glomerular disruption, and fibrin deposition. These findings emphasize the need for future studies to focus on the molecular identification of circulating strains, vaccine matching, and monitoring of post-vaccination protection levels in Iraq.
date: 2025-09-25
volume: 15
issue: 3
is part of: Journal of World’s Poultry Research
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
has document: A Field Study on Infectious Bronchitis Virus in Broiler Chickens in Southern Iraq (Text)
has version: A Field Study on Infectious Bronchitis Virus in Broiler Chickens in Southern Iraq (Text)
has published: A Field Study on Infectious Bronchitis Virus in Broiler Chickens in Southern Iraq (Text)
subject: SF Animal culture

A Field Study on Infectious Bronchitis Virus in Broiler Chickens in Southern Iraq (Text)
type: Document
has file: JWPR15(3)314-320,2025 (1).pdf
has part: JWPR15(3)314-320,2025 (1).pdf

Scienceline Publication
type: Organization

Journal of World’s Poultry Research
type: Collection
issn: 2322455X

Wafaa A. Abd El-Ghany
type: Person
given name: Wafaa A.
family name: Abd El-Ghany

Muhammadtaher Abdulrazaq Abdulrasol
type: Person
given name: Muhammadtaher
family name: Abdulrazaq Abdulrasol

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primary topic: A Field Study on Infectious Bronchitis Virus in Broiler Chickens in Southern Iraq

SF Animal culture
type: Concept