A Comparison of Avian and Mammalian Cell Cultures for the Propagation of Avian Reovirus WVU 2937

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Abstract
Two avian and 7 mammalian cell lines were evaluated for their application in propagating avian reovirus WVU 2937. Cultures were compared for monolayer-formation time, support of viral replication, passages and postinfection time required for expression of cytopathic effect (CPE), type of CPE and virus yield. CPE was observed on the 1st passage with infected egg yolk in primary chicken embryo kidney cells, primary through tertiary chicken embryo liver (CEL) cells, and African green monkey kidney (Vero) cells; on the 3rd blind passage of infected supernatant in Georgia bovine kidney cells, Crandall feline kidney cells, and baby hamster cells; on the 5th blind passage in rabbit kidney cells; and on the 10th blind passage in porcine kidney cells. CPE was not observed after 10 viral passages in rabbit bone-marrow cells. Monolayer formation time and postinfection time for CPE expression occurred sooner, and virus yield was greater, with CEL and Vero cells than with other cell lines.