Failure of orally administered attenuated goose parvovirus strain b to induce a humoral immune response in adult geese

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Abstract
Two month old geese responded with the production of virus neutralizing antibodies against virulent goose parvovirus strain B administered per os or i.m. They were shedding the virus within a short period after exposure. Humoral immune response in geese of the same age was induced by the attenuated goose parvovirus strain B only by i.m. injection but not with per os administration.