DAO 62:177-180 (2004) - doi:10.3354/dao062177
Streptococcus iniae type II infections in rainbow trout Oncorhynchus mykiss
D. Lahav1, M. Eyngor2, A. Hurvitz3, C. Ghittino4, A. Lublin2, A. Eldar2,*
ABSTRACT: Clinical and pathological findings (anorexia, hemorrhage, lethargy, loss of orientation and exophthalmia) indicated that Streptococcus iniae type II is responsible for a fatal disease in rainbow trout. Histopathological findings revealed that S. iniae type II produces a systemic disease, including a diffuse necrotizing myositis. The distribution of viable bacteria in infected tissues substantiated the pathological findings, confirming that S. iniae type II is responsible for a generalized septic disease of rainbow trout.
KEY WORDS: Rainbow trout · Streptococcus iniae · Serotype · Pathology
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