Investigation on the Prevalence of Aeromonas spp. from the Aquarium Water in Uva Province and the Most Suitable Antibiotics for Treatment of Aeromonas spp.

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dc.contributor.authorDe Silva, T. Anushka N.
dc.contributor.authorDias, P.C.B.
dc.contributor.authorKurukulasuriya, M.S.
dc.date.accessioned2021-01-26T06:28:20Z
dc.date.available2021-01-26T06:28:20Z
dc.date.issued2020
dc.description.abstractThe ornamental fish industry is a globally fast blooming industry. Aeromonas spp. is known to cause infections in ornamental fish leading to huge economic losses. The pathogen can contaminate the water and helps for disease transmission. The present study aims to determine the prevalence of Aeromonas spp. in aquarium water collected from Uva province and to determine the resistance level of Aeromonas spp. to various antibiotics. A total of 54 water samples were collected from 14 aquariums in the Uva province. Bacteria were isolated using Tryptic Soy Agar and isolates were identified as Aeromonas spp. by Gram negative, oxidase positive, fermentative, and 0/129 resistant. Antimicrobial susceptibility tests were conducted using Amoxicillin, Tetracycline, and Chloramphenicol. The prevalence of Aeromonas was reported as 43%. Among Aeromonas spp. positive samples, 52% were reported from water samples with sick fish while 48% were reported in water samples without sick fish. The presence of Aeromonas spp. in water with the absence of sick fish confirms that they were opportunistic and that they can survive within the water leading to infections under unfavourable conditions for hosts. According to fisher’s exact test, there is no significant relationship between water changing frequency and existence of Aeromonas sp. in water (p>0.05). Antimicrobial susceptibility test results showed that there is a significant difference between the sensitivity of the isolates to the different antibiotics (p<0.05). The highest resistance to Amoxicillin and highest susceptibility to Chloramphenicol (74%) and Tetracycline (65%) were reported. Since, Amoxicillin is one of the most common antibiotics used in aquariums, heavy use or abuse of amoxicillin might predispose current findings. In conclusion, 43% is the prevalence of Aeromonas spp. from aquarium water in the Uva province and Chloramphenicol & Tetracycline can be recommended as the best antibiotic to treat the infections of Aeromonas spp. Keywords: Aeromonas spp., Aquarium water, Antibiotics, Ornamental fishen_US
dc.identifier.isbn9789550481293
dc.identifier.urihttp://www.erepo.lib.uwu.ac.lk/bitstream/handle/123456789/5645/proceeding_oct_08-113.pdf?sequence=1&isAllowed=y
dc.language.isoenen_US
dc.publisherUva Wellassa University of Sri Lankaen_US
dc.relation.ispartofseries;International Research Conference
dc.subjectAquaculture and Fisheriesen_US
dc.subjectAquacultureen_US
dc.titleInvestigation on the Prevalence of Aeromonas spp. from the Aquarium Water in Uva Province and the Most Suitable Antibiotics for Treatment of Aeromonas spp.en_US
dc.title.alternativeInternational Research Conference 2020en_US
dc.typeOtheren_US
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