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SC/69B/E/22
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Resource ID
22083
Access
Open
Document Number
SC/69B/E/22
Full Title
Herpesvirus prevalence between cetacean species in Korean waters
Author
Kyung Lee Lee, Kyum Joon Park, Joon-Taek Yoo, Mi Kyung Lee, In Woo Han, So Ra Kim And Doo Nam Kim
Authors Summary
Herpesviridae is widely recognized for their host range over the taxa and environment, including marine ecosystem. In many cetacean species, Herpesvirus(HVs) infection and lesions have been reported worldwide, but the reports shared information from limited species and regions. This study presents the prevalence of HVs? DNA in various tissues of cetacean species found in Korean waters.
In total, 1,101 tissue samples composed of eight organs taken from 176 individuals of 15 species were examined for the presence of the HVs DNA. For the result, 21 individuals of five species were confirmed as HVs positive with 11.9% of the total prevalence. There was no multi-organ infected cases. The most positive cases were found in the Narrow-ridged finless porpoises, Common dolphin, and Indo-pacific bottlenose dolphin, in that order. And the highest prevalence was analyzed at Common dolphin by 36.4%.
The HVs were detected from the skin, muscle, lung, liver, and one case of uterus myoma.
In the statistical analyses, there was no significant difference in the positive rate between gender, region, and organs. However, HVs were 5.5 times more prevalent in common dolphins than in narrow-ridged finless porpoises (P=0.02). This study provides the first profile of Herpesvirus infection in the cetacean species in Korean waters. To identify its epidemiology and pathological characteristic, further and wider investigation should be implemented in the near future.
Publisher
IWC
Publication Year
2024
Abstract
Herpesvirus prevalence within cetacean species and organs