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1 December 2012 Myocarditis in 9- and 11-Day-Old Broiler Breeder Chicks Associated with a Reovirus Infection
James F. Davis, Arun Kulkarni, Oscar Fletcher
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Abstract

Nine- and 11-day-old male broiler breeder chicks from a flock with excessively high mortality were found to have ascites, fibrotic and necrotic livers, and round, thin-walled hearts. Virus isolation on liver homogenates and sequencing of PCR products of the isolate identified a reovirus whose sequence varied from sequences of other published reoviruses. Histopathology supported a diagnosis of reovirus-associated myocarditis and myocardial necrosis. This virus was possibly transmitted vertically from the primary breeder flock.

Reporte de Caso—Miocarditis en pollitos reproductores pesados de 9 y 11 días de edad asociada con una infección por reovirus.

Pollitos reproductores pesados de nueve y 11 días de edad, procedentes de una parvada con mortalidad excesivamente alta, mostraron ascitis, hígado fibrótico y necrótico, y corazones redondos, con paredes delgadas. Mediante el aislamiento viral de homogeneizados de hígado y la secuenciación de los productos PCR se identificó un reovirus cuya secuencia varía de las secuencias de otros reovirus publicados. La histopatología confirmó el diagnóstico de miocarditis y necrosis del miocardio asociada con reovirus. Este virus posiblemente se transmitió verticalmente, de la parvada de reproductores.

American Association of Avian Pathologists
James F. Davis, Arun Kulkarni, and Oscar Fletcher "Myocarditis in 9- and 11-Day-Old Broiler Breeder Chicks Associated with a Reovirus Infection," Avian Diseases 56(4), 786-790, (1 December 2012). https://doi.org/10.1637/10267-060712-Case.1
Received: 9 June 2012; Accepted: 1 July 2012; Published: 1 December 2012
KEYWORDS
myocarditis
reovirus
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