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Article

Positive genetic correlation between parasite resistance and body size in a free-living ungulate population.

Evolution; international journal of organic evolution - 1 Oct 2001

Coltman D W, Pilkington J, Kruuk L E, Wilson K, Pemberton J M

Abstract excerpt

Parasite resistance and body size are subject to directional natural selection in a population of feral Soay sheep (Ovis aries) on the island of St. Kilda, Scotland. Classical evolutionary theory predicts that directional selection should erode additive genetic variation and favor the maintenance of alleles that have negative pleiotropic effects on other traits associated with fitness. Contrary to these...

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PMID: 11761070
DOI: 10.1111/j.0014-3820.2001.tb01326.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

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