Why the study?
Coinfection of FAdV and CAV may markedly impact the incidence of HHS, motivating description of an outbreak in industrial broiler breeders and characterization of the FAdV isolate.
Population
Three-week-old male broiler breeders and SPF chicken embryos
Design
Outbreak investigation and experimental embryo inoculation study
Follow-up
7 days
Authors
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May heighten HHS outbreaks in broiler breeders via CAV coinfection; hypothesis-generating for surveillance and control in South American poultry.
The study characterizes an outbreak of hepatitis-hydropericardium syndrome in broiler breeders caused by coinfection of FAdV (E species) and CAV, highlighting the pathological synergism of these vertically transmitted viruses.
Marín et al. (2022) studied this question.
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