Article
Heritable, heterogeneous, and costly resistance of sheep against nematodes and potential feedbacks to epidemiological dynamics.
The American naturalist - 1 Aug 2014
Hayward Adam D, Garnier Romain, Watt Kathryn A, Pilkington Jill G, Grenfell Bryan T, Matthews Jacqueline B, Pemberton Josephine M, Nussey Daniel H, Graham Andrea L
Abstract excerpt
Infected hosts may preserve fitness by resisting parasites (reducing parasite burden) and/or tolerating them (preventing or repairing infection-induced damage). Theory predicts that these individual-level defense strategies generate divergent population-level feedbacks that would maintain genetic heterogeneity for resistance but purge heterogeneity for tolerance. Because resistance reduces parasite abundance,...
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