globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0107038
论文题名:
A Systematic Health Assessment of Indian Ocean Bottlenose (Tursiops aduncus) and Indo-Pacific Humpback (Sousa plumbea) Dolphins Incidentally Caught in Shark Nets off the KwaZulu-Natal Coast, South Africa
作者: Emily P. Lane; Morné de Wet; Peter Thompson; Ursula Siebert; Peter Wohlsein; Stephanie Plön
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2014
发表日期: 2014-9-9
卷: 9, 期:9
语种: 英语
英文关键词: Dolphins ; Inflammation ; Lymph nodes ; Parasitic life cycles ; Fibrosis ; Trematodes ; Connective tissue ; Histology
英文摘要: Coastal dolphins are regarded as indicators of changes in coastal marine ecosystem health that could impact humans utilizing the marine environment for food or recreation. Necropsy and histology examinations were performed on 35 Indian Ocean bottlenose dolphins (Tursiops aduncus) and five Indo-Pacific humpback dolphins (Sousa plumbea) incidentally caught in shark nets off the KwaZulu-Natal coast, South Africa, between 2010 and 2012. Parasitic lesions included pneumonia (85%), abdominal and thoracic serositis (75%), gastroenteritis (70%), hepatitis (62%), and endometritis (42%). Parasitic species identified were Halocercus sp. (lung), Crassicauda sp. (skeletal muscle) and Xenobalanus globicipitis (skin). Additional findings included bronchiolar epithelial mineralisation (83%), splenic filamentous tags (45%), non-suppurative meningoencephalitis (39%), and myocardial fibrosis (26%). No immunohistochemically positive reaction was present in lesions suggestive of dolphin morbillivirus, Toxoplasma gondii and Brucella spp. The first confirmed cases of lobomycosis and sarcocystosis in South African dolphins were documented. Most lesions were mild, and all animals were considered to be in good nutritional condition, based on blubber thickness and muscle mass. Apparent temporal changes in parasitic disease prevalence may indicate a change in the host/parasite interface. This study provided valuable baseline information on conditions affecting coastal dolphin populations in South Africa and, to our knowledge, constitutes the first reported systematic health assessment in incidentally caught dolphins in the Southern Hemisphere. Further research on temporal disease trends as well as disease pathophysiology and anthropogenic factors affecting these populations is needed.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0107038&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/19053
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Department of Research and Scientific Services, National Zoological Gardens of South Africa, Pretoria, South Africa;Epidemiology Section, Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa;Epidemiology Section, Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa;Institute for Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine, Hannover, Foundation, Germany;Department of Pathology, University of Veterinary Medicine, Hannover, Foundation, Germany;South African Institute for Aquatic Biodiversity, c/o Port Elizabeth Museum/Bayworld, Port Elizabeth, South Africa

Recommended Citation:
Emily P. Lane,Morné de Wet,Peter Thompson,et al. A Systematic Health Assessment of Indian Ocean Bottlenose (Tursiops aduncus) and Indo-Pacific Humpback (Sousa plumbea) Dolphins Incidentally Caught in Shark Nets off the KwaZulu-Natal Coast, South Africa[J]. PLOS ONE,2014-01-01,9(9)
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