Recovery of <i>Streptococcus iniae</i> from Diseased Fish Previously Vaccinated with a <i>Streptococcus</i> Vaccine

Abstract

Streptococcus iniae was recovered from diseased rainbow trout (Oncorhynchus mykiss, Walbaum) previously vaccinated against streptococcosis. PCR and serological methods indicate the presence of a new serotype in the diseased fish.