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Identification of novel and zoonotic Cryptosporidium species in marine fish

Reid, A., Lymbery, A.ORCID: 0000-0002-0542-3446, Ng, J., Tweedle, S. and Ryan, U.ORCID: 0000-0003-2710-9324 (2010) Identification of novel and zoonotic Cryptosporidium species in marine fish. Veterinary Parasitology, 168 (3-4). pp. 190-195.

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Little is known about the prevalence and genotypes of Cryptosporidium in fish. The present study investigated the prevalence of Cryptosporidium species in cultured fingerlings (n = 227), wild freshwater (n = 227) and wild marine/estuarine species (n = 255) of fish in Western Australia by PCR amplification at the 18S rRNA locus. Results revealed a low prevalence of Cryptosporidium infection in fish hosts; 0.8% (6/709). Four species of Cryptosporidium were identified including C. parvum, C. xiaoi and pig genotype II in whiting (Sillago vittata) and a novel Cryptosporidium spp. in mullets (Mugil cephalus). The identification of zoonotic species of Cryptosporidium in fish indicates that future research to gain a better understanding of the public health impacts is warranted. The detection of the protozoa in fish may also be a good sentinel for environmental contamination or ecosystem health.

Item Type: Journal Article
Murdoch Affiliation(s): Centre for Fish and Fisheries Research
School of Veterinary and Biomedical Sciences
Publisher: Elsevier BV
Copyright: © 2009 Elsevier B.V. All rights reserved.
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