Controlled test of the efficacy of the feed premix formulation of crufomate on the parasites of the gastrointestinal tract and lungs of dairy calves.
Activity of the feed premix formulation (M-1839) of crufomate against helminths of the gastrointestinal tract and lungs of cattle was determined in a controlled test. Eight calves were treated and 7 were nontreated. The dosage rate of crufomate was 17 mg of active drug/kg of body weight daily for 3 consecutive days. Removal activity was high against mature Cooperia oncophora (99%) and C punctata (96%) and immature Cooperia spp (87%). Removal of mature Ostertagia ostertagi was 68%. The removal of strongyloides papillosus and Bunostomum phlebotomum was 72% and 67%, respectively, but only a few specimens were present in the nontreated calves. Efficacies against the other mature and immature species of nematodes ranged from 0% to 34%. Lungworms (Dictyocaulus viviparus) were not effectively removed.
D000821:Animal Feed / Q000032:analysis; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D004021:Dictyocaulus / Q000187:drug effects; D005260:Female; D005767:Gastrointestinal Diseases / Q000188:drug therapy / Q000469:parasitology / Q000662:veterinary*; D007306:Insecticides / Q000008:administration & dosage*; D008174:Lung Diseases, Parasitic / Q000188:drug therapy / Q000469:parasitology / Q000662:veterinary*; D008297:Male; D009349:Nematode Infections / Q000188:drug therapy / Q000469:parasitology; D009943:Organophosphorus Compounds / Q000008:administration & dosage* / Q000494:pharmacology / Q000627:therapeutic use; D014251:Trichostrongyloidea / Q000187:drug effects
D007306:Insecticides; D009943:Organophosphorus Compounds