title: A field case of ivermectin resistance in Ostertagia of sheep.
authors: Department of Agriculture, Esperance, Western Australia.
authors: N
authors: N
authors: Swan
authors: J J
authors: JJ
authors: Gardner
authors: R B
authors: RB
authors: Besier
authors: R
authors: R
authors: Wroth
mesh_terms: D000818:Animals; D004351:Drug Resistance; D005243:Feces / Q000469:parasitology; D007559:Ivermectin / Q000627:therapeutic use*; D010028:Ostertagia / Q000187:drug effects / Q000254:growth & development; D010029:Ostertagiasis / Q000188:drug therapy / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000188:drug therapy* / Q000469:parasitology
chemical_list: D007559:Ivermectin