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Patterns of parasitism in monarch butterflies during the breeding season in eastern North America
- D. T. Flockhart, Anjuli Dabydeen, Dara A. Satterfield, K. Hobson, L. Wassenaar, D. Norris
- 1 February 2018
Two hypotheses have been proposed to explain the relationship between migration and prevalence of pathogens in host populations: ‘migratory escape’, where migrants benefit from escaping pathogen accumulation in contaminated environments; and ‘Migratory culling”, where the selective removal of infected individuals occurs during migration.