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| Title: | Disease management options in captive reared clownfish, Amphiprion sebae Bleeker 1853 : application of chemotherapy, marine natural products and autogenous vaccines |
| Authors: | Pramila, S.
Lipton, A. P. |
| Issue Date: | 2018 |
| Citation: | Asian Fisheries Science Journal (Malaysia), 31 (3), p. 218-229 |
| Abstract: | Disease conditions in aquarium captive-reared clownfish, Amphiprion sebae Bleeker 1853, were caused by bacterial pathogens belonging to Vibrio sp., Alacaligenes sp., Serratia marcescens and Flavobacterium sp. An emerging pathogen, Serratia marcescens was noted to
cause severe ulcerations in the aquarium fish in a repetitive manner. Disease management studies conducted with antibiotics, extracts from marine macroalgae and sponges and
immunoprophylaxis using formalin-killed S. marcescens cells gave promising results. Among the antibiotics, ciprofloxacin had a high inhibitory zone of 32 mm followed by
oxytetracycline, trimethoprim and co-trimoxazole with 24 mm zones each. The methanol extract of the macroalga, Gracilaria corticata produced 36 mm inhibition zone, while the extracts of two sponge species, Callyspongia diffusa and Sigmadocia carnosa produced 26
mm and 24 mm zones respectively; suggesting scope for the use of extracts from maroalgae and sponges (marine natural products) for disease management in marine aquaria. The autogenous vaccine when administered in fish at 1 × 105
cells.g-1 resulted in increased relative
percentage survival after the 15th day and continued with 100 % protection at 35 and 50 days, on challenge with S. marcescens. These studies suggest that proactive management strategies can be successfully adopted for managing S. marcescens infection in clownfish. |
| License: | http://www.oceandocs.org/license |
| URI: | http://agris.upm.edu.my:8080/dspace/handle/0/18682 |
| Related document: | http://www.asianfisheriessociety.org/publication/d... |
| ISSN: | 0116-6514 |
| Appears in Collections: | Publications
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