Streptococcal Infections of Fish

This document reviews streptococcal infections in fish, focusing on their identification, impacts, and management strategies. Streptococcus, a Gram-positive bacterium, causes significant mortality in various fish species, with symptoms including erratic swimming, lethargy, exophthalmia, hemorrhages...

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Main Authors: Roy Yanong, Ruth Francis-Floyd
Format: Article
Language:English
Published: The University of Florida George A. Smathers Libraries 2006-08-01
Series:EDIS
Online Access:https://journals.flvc.org/edis/article/view/136785
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author Roy Yanong
Ruth Francis-Floyd
author_facet Roy Yanong
Ruth Francis-Floyd
author_sort Roy Yanong
collection DOAJ
description This document reviews streptococcal infections in fish, focusing on their identification, impacts, and management strategies. Streptococcus, a Gram-positive bacterium, causes significant mortality in various fish species, with symptoms including erratic swimming, lethargy, exophthalmia, hemorrhages, and rapid deaths. The occurrence of these infections, though less frequent than other bacterial diseases, poses severe financial risks for aquaculture. The review covers historical outbreaks, species affected, and factors contributing to disease onset, such as environmental stressors and compromised water quality. Diagnosis involves identifying Gram-positive cocci in affected tissues, while treatment options include specific antibiotics like erythromycin, amoxicillin, and florfenicol, contingent on sensitivity testing. Preventive measures emphasize maintaining optimal water quality, minimizing stress, and employing vaccines and immunostimulants. Additionally, the document addresses the zoonotic potential of Streptococcus iniae, highlighting the low risk to healthy individuals but cautioning immunocompromised persons. The comprehensive insights provided aim to assist in the effective management and prevention of streptococcal infections in aquaculture settings. First published February, 2002.
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spelling doaj-art-dc21ad94f093401ca7763c2d1eb1f19e2025-02-08T06:22:40ZengThe University of Florida George A. Smathers LibrariesEDIS2576-00092006-08-0120068Streptococcal Infections of FishRoy Yanong0Ruth Francis-Floyd1University of Florida University of Florida This document reviews streptococcal infections in fish, focusing on their identification, impacts, and management strategies. Streptococcus, a Gram-positive bacterium, causes significant mortality in various fish species, with symptoms including erratic swimming, lethargy, exophthalmia, hemorrhages, and rapid deaths. The occurrence of these infections, though less frequent than other bacterial diseases, poses severe financial risks for aquaculture. The review covers historical outbreaks, species affected, and factors contributing to disease onset, such as environmental stressors and compromised water quality. Diagnosis involves identifying Gram-positive cocci in affected tissues, while treatment options include specific antibiotics like erythromycin, amoxicillin, and florfenicol, contingent on sensitivity testing. Preventive measures emphasize maintaining optimal water quality, minimizing stress, and employing vaccines and immunostimulants. Additionally, the document addresses the zoonotic potential of Streptococcus iniae, highlighting the low risk to healthy individuals but cautioning immunocompromised persons. The comprehensive insights provided aim to assist in the effective management and prevention of streptococcal infections in aquaculture settings. First published February, 2002. https://journals.flvc.org/edis/article/view/136785
spellingShingle Roy Yanong
Ruth Francis-Floyd
Streptococcal Infections of Fish
EDIS
title Streptococcal Infections of Fish
title_full Streptococcal Infections of Fish
title_fullStr Streptococcal Infections of Fish
title_full_unstemmed Streptococcal Infections of Fish
title_short Streptococcal Infections of Fish
title_sort streptococcal infections of fish
url https://journals.flvc.org/edis/article/view/136785
work_keys_str_mv AT royyanong streptococcalinfectionsoffish
AT ruthfrancisfloyd streptococcalinfectionsoffish