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Volume 28, Number 8—August 2022
Research

Association of Environmental Factors with Seasonal Intensity of Erysipelothrix rhusiopathiae Seropositivity among Arctic Caribou

O. Alejandro AleuyComments to Author , Michele Anholt, Karin Orsel, Fabien Mavrot, Catherine A. Gagnon, Kimberlee Beckmen, Steeve D. Côté, Christine Cuyler, Andrew Dobson, Brett Elkin, Lisa-Marie Leclerc, Joëlle Taillon, and Susan Kutz
Author affiliations: University of Notre Dame, Notre Dame, Indiana, USA (O.A. Aleuy); University of Calgary, Calgary, Alberta, Canada (O.A. Aleuy, K. Orsel, F. Mavrot, S. Kutz); One Health at UCalgary, Calgary (M. Anholt); Canada Research Chair on Northern Biodiversity, Université du Québec à Rimouski Centre of Northern Studies and Quebec Center for Biodiversity Science, Rimouski, Quebec, Canada (C.A. Gagnon); Alaska Department of Fish and Game, Fairbanks, Alaska, USA (K. Beckmen); Laval University, Quebec City, Quebec, Canada (S.D. Côté); Greenland Institute of Natural Resources, Nuuk, Greenland (C. Cuyler); Princeton University, Princeton, New Jersey, USA (A. Dobson); Government of the Northwest Territories, Yellowknife, Northwest Territories, Canada (B. Elkin); Government of Nunavut, Kugluktuk, Nunavut, Canada (L.-M. Leclerc); Government of Quebec, Quebec City (J. Taillon)

Main Article

Table 2

Estimates of the final model to investigate the association between seroprevalence of Erysipelothrix rhusiopathiae in caribou and herd-specific environmental conditions*

Environmental condition Estimate (SE) p value
Summer surface precipitation 0.19 (0.061) 0.002
Previous summer oestrid index 0.27 (0.058) <0.001
Calving GDD5 −0.15 (0.068) 0.027
PCsnow2† 0.18 (0.066) 0.006
PCice1† 0.12 (0.059) 0.034
PCice2† 0.25 (0.066) <0.001

*All results were significant (p<0.05). GDD5, effective growing degree days above 5°C (used to estimate growth and development of plants and insects); PC, principal component. †Described in Table 1..

Main Article

Page created: June 02, 2022
Page updated: July 20, 2022
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