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Identification of Parelaphostrongylus odocoilei (Nematoda: Protostrongylidae) First-Stage Larvae in the Feces of Gray Wolves (Canis lupus) by Molecular Methods
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2010 (English)In: Journal of Wildlife Diseases, ISSN 0090-3558, E-ISSN 1943-3700, Vol. 46, no 1, 297-302 p.Article in journal (Refereed) Published
Abstract [en]

First-stage nematode larvae with a dorsal-spine (E)SI.)),were, detected ill five of, 1,565 fecal samples from gray wolves (Canis lupus) collected ill British Columbia, Canada, between 2005 and 2008. Molecular techniques were used to identify the DSL because it was not possible to determine their species identity using morphologic characters. The DSL were identified as parelaphostrongylus odocoilei based oil the results of single-strand conformation polymorphism (SSCP) analyses and DNA sequencing of the ribosomal DNA First and second internal transcribed spacers. Finding DSL of P. odocoilei in the feces of gray wolves was unexpected because P. odocoilei adults are parasites of cervids and bovids. The most likely explanation for the presence of DSL in wolf feces is that they were ingested along with the viscera of recently consumed prey. This was probably black-tailed deer (Odocoileus hemionus columbianus), which are known in the sampling area to be hosts of P. odocoilei. The present study demonstrates the use of SSCP and DNA sequencing for the identification, to the species level, of,parasitic nematode larvae ill feces.

Place, publisher, year, edition, pages
2010. Vol. 46, no 1, 297-302 p.
Keyword [en]
Accidental parasite, Canis lupus, dorsal-spined nematode larvae, gray wolf, Parelaphostrongylus odocoilei, PCR-based methods, single-strand conformation polymorphism (SSCP)
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-137401ISI: 000273957100036OAI: oai:DiVA.org:uu-137401DiVA: diva2:378315
Available from: 2010-12-15 Created: 2010-12-15 Last updated: 2016-04-25Bibliographically approved

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