1887

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Volume 86, Issue 5

Role of viral load in the pathogenesis of chicken anemia virus Free

Abstract

The pathogenesis of strain 3711 of the chicken anemia virus (CAV), propagated in chickens, and two preparations of strain 3711 that had been adapted to grow to high titre in cells of the MDCC-MSB1 line were studied in chicken embryos and/or chickens. Highest viral loads in infected chickens, as measured by a microplate DNA-hybridization assay, were detected in the thymus, clotted blood and pancreas, and the lowest in the duodenum. The CAV DNA copy number in the organs of chicken embryos was significantly lower than in chickens. Route of infection was an important determinant of the course of disease in chickens, with clinical signs appearing earlier in birds infected by the intramuscular than those infected by the oral route; there was a direct relationship between viral load in particular organs and the extent of clinical signs. No reduction in the pathogenicity for chickens was noted for strain 3711 after 65 or 129 passages in the MDCC-MSB1 cell line.

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2005-05-01
2024-04-20
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Role of viral load in the pathogenesis of chicken anemia virus
J. Gen. Virol. 86, 1327 (2005); https://doi.org/10.1099/vir.0.80599-0
/content/journal/jgv/10.1099/vir.0.80599-0
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