Population dynamics of Haemonchus contortus and Trichostrongylus spp. in sheep.
D000818:Animals; D006188:Haemonchiasis / Q000469:parasitology / Q000662:veterinary*; D006189:Haemonchus / Q000254:growth & development; D007978:Levamisole / Q000627:therapeutic use*; D011157:Population Dynamics; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology*; D014251:Trichostrongyloidea / Q000254:growth & development; D014252:Trichostrongyloidiasis / Q000662:veterinary*; D014253:Trichostrongylosis / Q000469:parasitology / Q000662:veterinary*
D007978:Levamisole