Surveillance for zoonotic and selected pathogens in harbor seals Phoca vitulina from central California
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The infection status of harbor seals Phoca vitulina in central California, USA, was evaluated through broad surveillance for pathogens in stranded and wild-caught animals from 2001 to 2008, with most samples collected in 2007 and 2008. Stranded animals from Mendocino County to San Luis Obispo County were sampled at a rehabilitation facility: The Marine Mammal Center (TMMC, n = 175); wild-caught animals were sampled at 2 locations: San Francisco Bay (SF, n = 78) and Tomales Bay (TB, n = 97), that differed in degree of urbanization. Low prevalences of Salmonella, Campylobacter, Giardia, and Cryptosporidium were detected in the feces of stranded and wild-caught seals. Clostridium perfringens and Escherichia coli were more prevalent in the feces of stranded (58% [78 out of 135] and 76% [102 out of 135]) than wild-caught (42% [45 out of 106] and 66% [68 out of 106]) seals, whereas Vibrio spp. were 16 times more likely to be cultured from the feces of seals from SF than TB or TMMC (p
Greig , D J , Gulland , F M D , Smith , W A , Conrad , P A , Field , C L , Fleetwood , M , Harvey , J T , Ip , H S , Jang , S , Packham , A , Wheeler , E & Hall , A J 2014 , ' Surveillance for zoonotic and selected pathogens in harbor seals Phoca vitulina from central California ' , Diseases of Aquatic Organisms , vol. 111 , no. 2 , pp. 93-106 . https://doi.org/10.3354/dao02762
Diseases of Aquatic Organisms
Copyright © 2014 Inter-Research.
DescriptionWe thank The John H. Prescott Marine Mammal Rescue Assistance Grant Program and Valentine Family Foundation for funding for this project.
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