Experimental Life-Cycle of Varestrongylus eleguneniensis(Nematoda: Protostrongylidae) in a Captive Reindeer (Rangifer tarandus tarandus) and a Muskox (Ovibos moschatus moschatus)
Open accessAbstract
The life-cycle of a recently described protostrongylid lungworm, Varestrongylus eleguneniensis, which infects caribou, muskoxen, and moose from Arctic and boreal regions of North America, was completed experimentally for the first time. A native North American slug species, Deroceras laeve, was infected with the first-stage larvae (L1) isolated from the feces of wild muskoxen to generate third-stage larvae (L3). These were administered to a captive reindeer calf (250 L3) and an adult captive muskox (380 L3). The prepatent periods for the reindeer and muskox were 56 and 72 days, respectively. Patency lasted for only 19 days in the reindeer, and fecal larval counts were very low (0.09-1.53 larvae per gram of feces). Patency in the muskox was at least 210 days, and likely over 653 days, and the fecal larval counts were higher (0.06-17.8 larvae per gram of feces). This work provides the first experimental completion of the life-cycle of V. eleguneniensis.
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Changing pathogen distribution and disease dynamics have been observed with climate-driven range expansion of the lung nematode Umingmakstrongylus pallikuukensis in the Northwest Territories and Nunavut, the emergence of parapox virus, and increasing observations of Brucella-like lesions on Victoria Island, Canada.
“Changing pathogen distribution and disease dynamics have also been observed with climate-driven range expansion of the lung nematode Umingmakstrongylus pallikuukensis in the Northwest Territories and Nunavut (Kutz et al. 2013a, b; Kafle et al. 2017), the emergence of parapox virus, and increasing observations of Brucella-like lesions on Victoria Island, Canada (Tomaselli et al. 2016).”
From Muskox status, recent variation, and uncertain future (2020) · cites this paper as Kafle et al. 2017
In the Varestrongylus eleguneniensis section (page unavailable), the paper reports a recent range expansion of Umingmakstrongylus pallikuukensis onto Victoria Island, but says Arctic warming is a hypothesized driver, not an established cause. It does not specify expansion across both the Northwest Territories and Nunavut. The parapox and Brucella-like lesion claims are attributed to a different citation in the sentence. (LLM, conf=0.86)
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Research works printed but not linked: 1
- VEROCAI, G. G. 2015. Contributions to the biodiversity and biogeography of the genus Varestrongylus Bhalerao, 1932 (Nematoda: Protostrongylidae), lungworms of ungulates, with emphasis on a new nearctic species. Ph.D. Thesis. University of Calgary, Calgary, AB, Canada, 345 p.
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Muskox status, recent variation, and uncertain future
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- Authors
- Kafle, P., Sullivan, J., Verocai, G. G., & Kutz, S. J.
- Affiliations
- University of Calgary (CA)
- Venue
- Journal of Parasitology
- Publisher
- American Society of Parasitologists
- Published
- 2017-10
- Volume
- 103
- Issue
- 5
- Pages
- 584-587
- ISSN
- 0022-3395 (ISSN-L)
- 1937-2345
- OpenAlex
- W2622325155
- Cited by
- 8
- References
- 27
- Citations by year
- 2025: 1 · 2022: 1 · 2021: 1 · 2020: 3 · 2019: 1 · 2018: 1
- FWCI
- 2.16
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Parasitology (publishedVersion)
- PubMed (publishedVersion)
- BioOne Complete (BioOne) (submittedVersion)
- Funders
- Alberta Conservation Association
- Alberta Innovates
- Natural Sciences and Engineering Research Council of Canada
- Topics
- Health Sciences › Veterinary › Small Animals › Helminth infection and control
- Physical Sciences › Environmental Science › Ecology › Parasite Biology and Host Interactions
- Life Sciences › Agricultural and Biological Sciences › Insect Science › Mollusks and Parasites Studies
- Keywords
- Protostrongylidae, lungworm, reindeer, Ovibos moschatus, moose, Deroceras laeve, prepatent period, patency
- MeSH terms
- Animals, Arctic Regions, Canada, Feces, Life Cycle Stages, Male, Metastrongyloidea, Pilot Projects, Reindeer, Ruminants, Strongylida Infections, Gastropoda
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