Ectoparasites of feral sheep on Campbell Island

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Abstract
Melophagus ovinus (the sheep ked), Damalinia ovis (the sheep biting louse), and, for the first time, Chorioptes bovis (the scrotal mange mite) were found on Campbell Island on feral sheep that had never been shorn or dipped. M. ovinus was present on all animals; infestation levels were independent of the age or sex of the host. More ewes than rams were infested with D. ovis, although 4-tooth and younger rams were more frequently infested than older rams. Louse numbers were higher on older ewes (6-tooth and older) than on younger ewes, but on rams were independent of the age of the host. No other ectoparasites were found.