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DAO 62:177-180 (2004)
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Abstract
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Streptococcus iniae type II infections in rainbow trout Oncorhynchus mykiss
D. Lahav1, M. Eyngor2, A. Hurvitz3, C. Ghittino4, A. Lublin2, A. Eldar2,*
1Department of Pathology, and 2Department of Poultry and Fish Diseases, Kimron Veterinary Institute,POB 12, 50250 Bet-Dagan, Israel
3Dan Fish Farm, Kibbutz Dan, 12245 Upper Galilee, Israel
4Department of
Fish Pathology, IZS–State Veterinary Institute, 06126 Perugia, Italy
*Corresponding author. Email: eldar@int.gov.il
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
Full text in pdf format
Published in DAO Vol.
62, No. 1-2
(2004) on November 23
Print ISSN: 0177-5103; Online ISSN: 1616-1580.
Copyright © Inter-Research, Oldendorf/Luhe, 2004
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