The ecology of the sheep tick, Ixodes ricinus L.; host relationships of the tick, review of previous work in Britain.
D000818:Animals; D004463:Ecology; D018884:Ixodes; D010271:Parasites; D012756:Sheep / Q000469:parasitology; D034561:Sheep, Domestic; D013987:Ticks; D006113:United Kingdom
SHEEP/parasites; TICKS