title: Sheep ked populations on a small farm.
mesh_terms: D000818:Animals; D004175:Diptera; D004478:Ectoparasitic Infestations / Q000469:parasitology / Q000662:veterinary*; D005260:Female; D008297:Male; D011153:Population; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology*