Face fly and horn fly reduction on cattle with fenvalerate ear tags.
D000818:Animals; D002417:Cattle / Q000469:parasitology*; D004175:Diptera; D005260:Female; D007306:Insecticides / Q000008:administration & dosage*; D008297:Male; D009570:Nitriles; D010654:Phenylbutyrates / Q000008:administration & dosage*; D011722:Pyrethrins / Q000008:administration & dosage*
D007306:Insecticides; D009570:Nitriles; D010654:Phenylbutyrates; D011722:Pyrethrins; C017690:fenvalerate