Lobomycosis Like Disease in Bottlenose Dolphins Tursiops truncatus (Artiodactyla: Delphinidae) from Costa Rica Pacific Waters

IF 0.8 4区生物学 Q4 BIOLOGY

Revista De Biologia Tropical Pub Date : 2023-10-30 DOI:10.15517/rev.biol.trop..v71is4.57292

Juan Diego Pacheco-Polanco, David Herra-Miranda, Lenin Oviedo Correa

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引用次数: 0

Abstract

Introduction: Lobomycosis, is a chronic mycotic disease of the skin and sub-dermal tissue caused by Paracoccidioides ceti, which affects dolphins worldwide. In Costa Rica, the incidence of lobomycosis Like Disease (LLD) has been documented in inshore common bottlenose dolphins (Tursiops truncatus) from the waters of Golfo Dulce, South Pacific. Objective: Examine the prevalence pattern of LLD in inshore T. truncatus from Costa Rica Pacific waters, specifically in Golfo Dulce and Golfo de Nicoya. Methods: We examined over 20 000 photographs of T. truncatus, collected during long-term research on cetaceans in 2005-2020 (n = 476 surveys), in Golfo Dulce, as well of nine sightings T. truncatus from the Golfo de Nicoya , obtained during 17 samplings events in 2014-2022, these records for the presence of LLD allowed to calculate the prevalence rate with a confidence interval. Results: The prevalence rate of LLD in adult photo-identified individuals was 13.1 % (CI: 12 -14.2) in Golfo Dulce, and 100 % in Golfo de Nicoya, considering the size of the population for the period of 2022. Conclusion: The persistence and high prevalence levels of LLD in small, localized, communities of T. truncatus are a cause for serious concern.

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哥斯达黎加太平洋水域宽吻海豚的肺叶菌病样疾病

简介:白斑菌病是一种由鲸尾副球虫引起的皮肤和真皮下组织的慢性真菌病，影响着全世界的海豚。在哥斯达黎加，来自南太平洋多尔塞湾(Golfo Dulce)水域的近海普通宽吻海豚(Tursiops truncatus)的白斑菌病样疾病(LLD)发病率有文献记载。目的:研究哥斯达黎加太平洋沿岸海域，特别是杜尔塞湾和尼科亚湾的短尾海象LLD的流行格局。方法:我们分析了2005-2020年在多尔塞湾对鲸类进行长期研究期间收集的2万多张截尾鲸的照片(n = 476次调查)，以及2014-2022年在尼科亚湾17次采样事件中获得的9次截尾鲸的发现，这些记录允许计算具有置信区间的LLD患病率。结果:考虑到2022年人口规模，多尔塞湾成年照片识别个体LLD患病率为13.1% (CI: 12 ~ 14.2)，尼科亚湾为100%;结论:在小的、局部的群落中，截尾滴虫LLD的持续存在和高流行程度值得高度关注。

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来源期刊

Revista De Biologia Tropical 生物-生物学

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The Revista de Biología Tropical / International Journal of Tropical Biology and Conservation is a mainstream scientific journal published since 1953 and covered by Web of Science; Science Citation Index; Current Contents; Google Scholar; Scopus, SciELO and nearly 50 additional indices. A double blind system guarantees you a fair evaluation, and our world class editorial and scientific boards provides a first decision in three working days. The journal is Full Open Access and is widely read where your article can have the highest real impact. Since its beginning in 1953, the Revista follows these principles: objective and independent evaluation of all manuscripts; transparency in all processes; ethical use of procedures, data, specimens and subjects; fair treatment of all parties; and absolute predominance of scientific rigor over any other aspect.