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Title: A survey of Alaria alata mesocercariae in slaughter pigs (Sus scrofa domestica, Linnaeus, 1758) in the Mekong delta area, Vietnam
Authors: Phan,D.T.T.
Keywords: Infectious Diseases
Microbiology (medical)
Issue Date: 1-Jan-2015
Publisher: Elsevier BV
Abstract: Objective: To analyze the prevalence of Alaria sp. mesocercariae in slaughter pigs in the Mekong Delta in Vietnam. Methods: From December 2012 to March 2013, 621 carcasses of slaughter pigs originating from nine Vietnamese provinces (69 carcasses per province) bordering the Mekong Delta were tested for the presence of Alaria alata mesocercariae. From each carcass, 30 g tissue (a mix of peritoneal fat and cheek tissue) were examined using the Alaria-migration-technique. Animals originated from traditional farming with free access of pigs to water/wetlands. Fattening pigs (5.5-7.5 months of age, 84% males) constituted 97.1% of the sample set, whereas sows>26 months accounted for 2.9%. Results: All samples tested were negative for motile mesocercariae. Conclusions: Results indicate that the actual prevalence of this parasite will not exceed 5% (α=0.05) in pigs from the study area. Further studies could elucidate if this is due to (unapproved) antimollusc and antiparasitic treatment in the study area or if the parasite is absent in the wildlife at all. © 2015 Asian Pacific Tropical Medicine Press.
ISSN: 22221808
Appears in Collections:VET: Journal Articles

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