Propagation of Group II Avian Adeno (AA)Virus in Avian Cell Culture and Vaccine ProducedAbstractA primary leukocyte cell culture and leukocyte cellline of avian origin have been found to be useful for the invitro propagation of Group II avian adeno (AA) viruses(Hemorrhagic Enteritis Virus of turkeys, Marble Spleen DiseaseVirus of pheasants and Splenomegaly Virus of chickens).Propagation of the Group II AA viruses in leukocyte cellculture is useful in the production of a vaccine for protectingfowl against these same viruses.
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