Population
10 flocks of broiler chickens aged 45-56 days presenting with neck paralysis, nervous tics, and torticollis
Design
Case_series
Key result
In 10 flocks of broiler chickens with neurological signs, histopathology and PCR confirmed atypical Marek's disease with central nervous system involvement, primarily in unvaccinated birds.
Authors
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Consider Marek's disease in CNS syndromes of unvaccinated broilers from 6 weeks; hypothesis-generating for atypical neuroinvasive presentations in commercial flocks.
Case Report (n=10)
Marek's disease can present as atypical central nervous system syndromes in commercial broiler chickens starting at six weeks of age, particularly in unvaccinated birds.
Pinson et al. (2026) conducted a case report in Marek's disease (n=10). Marek's disease virus infection was evaluated on Histopathological and PCR confirmation of Marek's disease virus in the central nervous system. In 10 flocks of broiler chickens with neurological signs, histopathology and PCR confirmed atypical Marek's disease with central nervous system involvement, primarily in unvaccinated birds.