Key result
Among 169 backyard chickens submitted to California laboratories, 50 (29.6%) tested positive for infectious bronchitis virus, with the CA1737 strain being the most common.
Why the study?
Infectious bronchitis virus causes significant losses in the global poultry industry, motivating characterization of infectious bronchitis lesions, prevalence, and circulating strains in small flocks in California.
Population
169 backyard chicken submissions in California
Design
Cross-sectional surveillance study
Authors
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IBV surveillance in California backyard flocks supports expanded monitoring; leaves open transmission risks to commercial poultry.
Cross-Sectional (n=169)
Yes
Backyard chickens in California can serve as reservoirs for Infectious Bronchitis Virus, potentially facilitating the evolution of new variants.
Gonzáles-Viera et al. (2021) conducted a cross-sectional in Infectious bronchitis virus (IBV) (n=169). Backyard chicken environment was evaluated on IBV positivity by qRT-PCR. Among 169 backyard chickens submitted to California laboratories, 50 (29.6%) tested positive for infectious bronchitis virus, with the CA1737 strain being the most common.
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