Abstract
The successful propagation of porcine cytomegalic inclusion disease virus (inclusion-body rhinitis virus) in primary pig lung cell cultures is reported. CID virus was carried through five passages in cell cultures with cytopathic affects appearing from 11 to 18 days post-inoculation. Four pigs inoculated with infected cell culture fluids from the second cell culture passage remained clinically normal. Two, however, had typical inclusion bodies in the glands of the nasal mucosa when examined three weeks post-inoculation. The progressive cytopathic effect produced and the inclusion bodies formed by this strain of porcine CIDV are described. These inclusion bodies appeared to be similar to those formed by cell culture-propagated cytomegaloviruses of man, mouse and guinea pig.
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