The extent to which wild ruminant populations are exposed to infective helminth larvae on their natural pastures is relatively undetermined. In the present study, a modified method for sampling of herbage and isolation of trichostrongyle infective third-stage larvae from natural pastures was used successfully in a muskox habitat in low-Arctic Greenland. The method, a revision of the Macro-Baermann method, is particularly aimed at fieldwork under primitive conditions.

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