Williams, J C Duration of anthelmintic efficacy of doramectin and ivermectin injectable solutions against naturally acquired nematode infections of cattle. [electronic resource] - Veterinary parasitology Sep 1997 - 15-24 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0304-4017 Standard No.: 10.1016/s0304-4017(97)00074-5 doi Subjects--Topical Terms: Animal FeedAnimalsAnthelmintics--administration & dosageCattleCattle DiseasesFemaleHaemonchiasis--drug therapyHaemonchus--isolation & purificationInjections, SubcutaneousIvermectin--administration & dosageNematode Infections--drug therapyOstertagia--isolation & purificationOstertagiasis--drug therapyParasite Egg CountSolutionsTime FactorsTrichostrongylosis--drug therapyTrichostrongylus--isolation & purification