Endoparasitic Infection in Threadfin Bream (Nemipterus hexodon and N. japonicus) from Department Store in Chiang Mai Province, Thailand

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Rattanachai Tunya


A survey was undertaken to find endoparasites in ornate threadfin bream (Nemipterus hexodon) and Japanese threadfin bream (N. japonicus) from department store in Chiang Mai province which were originally sent from Chachoengsao province. Fishes were collected from December 2018 to January 2019. A total number of 40 fishes were investigated by using light microscope. Thirty-three fishes were infected by Anisakis sp. third-stage larvae (L3) which has distinctive characteristics such as projecting boring tooth and rounded tail bears a mucron. The prevalence of Anisakis sp. in N. hexodon and N. japonicus was 75 and 90%, respectively. Intensity in N. hexodon and N. japonicus was 4.40 and 5.28 and abundance was 3.30 and 4.75, respectively. Anisakid nematode in third-stage larvae affect a growing number of people in developed countries, which are important endoparasitic nematode causing anisakiasis that make sudden epigastric pain, nausea, vomiting, diarrhea and urticaria in humans who consumed raw or undercooked seafood; for example, sushi and sashimi that are very popular foods in Japan and Thailand. Moreover, it is suspected that N. japonicus were infected by Camallanus sp. and Rhadinorhynchus sp. with 20 and 15% of prevalence that not found in N. hexodon. Based on the results of this study with high prevalence of Anisakis sp. and other infected parasites, strategies to prevent the potential or allergies risks of anisakiasis to consumers were suggested.

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How to Cite
Tunya, R. Endoparasitic Infection in Threadfin Bream (Nemipterus Hexodon and N. Japonicus) from Department Store in Chiang Mai Province, Thailand. Microsc. Microanal. Res. 2019, 32, 1-6.
The 36th International Conference of The Microscopy Society of Thailand


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