A natural infection of the meningeal worm, Parelaphostrongylus tenuis, persisted for at least 3.7 yr in a white-tailed deer (Odocoileus virginianus). The deer was 5–7 yr old and was shedding dorsal-spined nematode larvae at the time of quarantine. Larvae were extracted from all fecal samples collected up to 730 days post-quarantine (dpq) and thereafter only at 862 dpq and at necropsy (1,350 dpq). Live adults of P. tenuis, one male and one female, were recovered from the cranium at necropsy. Parelaphostrongylus tenuis infections are long lived and latent periods may be extended. Our findings reaffirm the need for reliable antemortem diagnosis to identify non-patent P. tenuis infections to prevent inadvertent introduction of infected animals to non-endemic areas.
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April 01 2002
Meningeal Worm is a Long-lived Parasitic Nematode in White-tailed Deer
Michael S. Duffy;
Michael S. Duffy
5
1 Department of Biology, University of New Brunswick, Bag Service # 45111, Fredericton, New Brunswick, E3B 6E1, Canada
2 Current address: James A. Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, New York, 14853, USA
5 Corresponding author (email: mjd48@cornell.edu).
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Trent A. Greaves;
Trent A. Greaves
1 Department of Biology, University of New Brunswick, Bag Service # 45111, Fredericton, New Brunswick, E3B 6E1, Canada
3 Current address: 110 Drummond Street East, Perth, Ontario, K7H 1H1, Canada;
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Nathan J. Keppie;
Nathan J. Keppie
1 Department of Biology, University of New Brunswick, Bag Service # 45111, Fredericton, New Brunswick, E3B 6E1, Canada
4 Current address: Large Animal Clinic, Veterinary Teaching Hospital, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5B4
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Michael D. B. Burt
Michael D. B. Burt
1 Department of Biology, University of New Brunswick, Bag Service # 45111, Fredericton, New Brunswick, E3B 6E1, Canada
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J Wildl Dis (2002) 38 (2): 448–452.
Article history
Received:
August 17 2000
Citation
Michael S. Duffy, Trent A. Greaves, Nathan J. Keppie, Michael D. B. Burt; Meningeal Worm is a Long-lived Parasitic Nematode in White-tailed Deer. J Wildl Dis 1 April 2002; 38 (2): 448–452. doi: https://doi.org/10.7589/0090-3558-38.2.448
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