title: Activity against Ostertagia ostertagi of low doses of oxfendazole continuously released from intraruminal capsules in cattle.
abstract: Slow release from intraruminal capsules of 0.48 mg/kg oxfendazole per day for 5.5 days gave percentage efficiencies of 99 +/- 0.6, 86.6 +/- 6.3 and 93.1 +/- 4.5 for the removal of adult worms, developing 4th stages and inhibited larvae of Ostertagia ostertagi respectively. These efficiencies were not significantly different from those obtained from a single oral dose of 2.5 mg/kg. Peak plasma levels of oxfendazole were similar for the 2 types of administration but high levels were maintained longer in cattle given capsules.
mesh_terms: D000818:Animals; D000969:Antinematodal Agents / Q000627:therapeutic use*; D001562:Benzimidazoles / Q000627:therapeutic use*; D002214:Capsules; D002219:Carbamates / Q000627:therapeutic use*; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D003692:Delayed-Action Preparations; D007814:Larva; D010029:Ostertagiasis / Q000188:drug therapy / Q000469:parasitology / Q000662:veterinary*; D012417:Rumen; D014251:Trichostrongyloidea / Q000187:drug effects*; D014252:Trichostrongyloidiasis / Q000662:veterinary*
chemical_list: D000969:Antinematodal Agents; D001562:Benzimidazoles; D002214:Capsules; D002219:Carbamates; D003692:Delayed-Action Preparations