title: The susceptibility of Ostertagia and Cooperia to morantel tartrate after extended exposure to the morantel sustained release bolus.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D003692:Delayed-Action Preparations; D004305:Dose-Response Relationship, Drug; D008297:Male; D009015:Morantel / Q000008:administration & dosage / Q000494:pharmacology*; D010029:Ostertagiasis / Q000517:prevention & control / Q000662:veterinary; D011743:Pyrimidines / Q000494:pharmacology*; D013997:Time Factors; D014251:Trichostrongyloidea / Q000187:drug effects*; D014252:Trichostrongyloidiasis / Q000517:prevention & control / Q000662:veterinary*
chemical_list: D003692:Delayed-Action Preparations; D011743:Pyrimidines; D009015:Morantel