Parasitic skin diseases of sheep.
D000818:Animals; D004175:Diptera; D004478:Ectoparasitic Infestations / Q000175:diagnosis / Q000188:drug therapy / Q000662:veterinary*; D006733:Horns; D008924:Mite Infestations / Q000662:veterinary; D009198:Myiasis / Q000662:veterinary; D008003:Phthiraptera; D012756:Sheep; D012757:Sheep Diseases / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology; D013984:Tick Infestations / Q000662:veterinary; D006113:United Kingdom