Show simple item record

dc.contributor.authorLio-Po, Gilda D.
dc.contributor.authorAlbright, L. J.
dc.contributor.authorMichel, C.
dc.contributor.authorLeaño, E. M.
dc.identifier.citationLio-Po, G. D., Albright, L. J., Michel, C., & Leaño, E. M. (1998). Experimental induction of lesions in snakeheads (Ophicephalus striatus) and catfish (Clarias batrachus) with Aeromonas hydrophila, Aquaspirillum sp., Pseudomonas sp. and Streptococcus sp. Journal of Applied Ichthyology, 14(1-2), 75-79.en
dc.description.abstractIsolates of Aquaspirilluni sp., Pseudomonas sp., and Streptococcus sp. recovered from epizootic ulcerative syndrome (EUS)-affected snakeheads (Ophicephalus striatus) in Thailand as well as an isolate of Aeromonas hydrophila recovered from EUS-affected snakeheads in the Philippines were characterized and identified. Each isolate was injected intramuscularly (IM) into healthy catfish (Clarias batrachus) and snakeheads (O. striatus). Results showed in tests with C. batraclius that 24 h after injection, Aquaspirillum sp., Pseudomonas sp., Streptococcus sp. and A. hydrophila induced slight, slight, moderate and severe dermomuscular necrotic lesions, respectively. Among O. striatus, only A. hydrophila induced severe lesions. Streptococcus sp. induced slight lesions 2 days post-injection which healed rapidly, while Aquaspirillum sp. and Pseudonionas sp. did not manifest any dermal lesions. Experiments indicated that among the four EUS-associated test bacteria, A. hydrophila was the most pathogenic, inducing severe dermomuscular necrotic lesions in intramuscularly injected catfish (C. batrachus) and snakeheads (O. striatus). Differences in the susceptibility of O. striatus and C. batrachus to Aquaspirillum sp., Pseudomonas sp. and Streptococcus sp. were evident. Furthermore, this is the first evidence of the association between Aquaspirillum sp. and diseased fish.en
dc.description.sponsorshipThe authors wish to thank the Aquaculture Department of the Southeast Asian Fisheries Development Center and the International Development Research Centre (IDRC) of Canada for financial support (Fish Microbiology Project 3-P-88-1053-02).en
dc.subjectAeromonas hydrophilaen
dc.subjectClarias batrachusen
dc.subjectChanna striatusen
dc.titleExperimental induction of lesions in snakeheads (Ophicephalus striatus) and catfish (Clarias batrachus) with Aeromonas hydrophila, Aquaspirillum sp., Pseudomonas sp. and Streptococcus sp.en
dc.citation.journalTitleJournal of Applied Ichthyologyen
seafdecaqd.library.callnumberVF SJ 0586
dc.subject.asfafish diseasesen
dc.subject.asfapathogenic bacteriaen
dc.subject.scientificNameOphicephalus striatus
dc.subject.scientificNameChanna striata

Files in this item


There are no files associated with this item.

This item appears in the following Collection(s)

  • Journal Articles [1217]
    These papers were contributed by Department staff to various national and international journals.

Show simple item record