Efficacy of milbemycin oxime against naturally acquired or experimentally induced Ancylostoma spp and Trichuris vulpis infections in dogs.

The efficacy of milbemycin oxime was evaluated at dosages of 0.25, 0.50, and 0.75 mg/kg of body weight in dogs naturally infected with mature Ancylostoma spp, at a dosage of 0.50 mg/kg in dogs with experimentally induced immature and mature A caninum, and at dosages of 0.55 to 0.86 mg/kg in dogs naturally infected with mature Trichuris vulpis. Milbemycin oxime was 95 and 99% effective against mature Ancylostoma spp at dosages of 0.50 and 0.75 mg/kg, respectively, but only 49% effective at a dosage of 0.25 mg/kg. Efficacy was 49% against pulmonary L3-L4 stages of A caninum (36 hours after inoculation), greater than 80% against L4 (120 hours after inoculation) and early L5 stages (216 hours after inoculation), and greater than 90% against experimentally induced mature stages (360 hours after inoculation). Milbemycin oxime was also 97% effective in the removal of mature Tr vulpis from naturally infected dogs. Adverse reactions were not observed following treatment in any of the dogs.
AuthorsB L Blagburn, C M Hendrix, D S Lindsay, J L Vaughan, D I Hepler, J C Wright
JournalAmerican journal of veterinary research (Am J Vet Res) Vol. 53 Issue 4 Pg. 513-6 (Apr 1992) ISSN: 0002-9645 [Print] UNITED STATES
PMID1586020 (Publication Type: Clinical Trial, Journal Article, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
Chemical References
  • Anthelmintics
  • Anti-Bacterial Agents
  • Macrolides
  • milbemycin
  • Ancylostomiasis (drug therapy, veterinary)
  • Animals
  • Anthelmintics (therapeutic use)
  • Anti-Bacterial Agents (therapeutic use)
  • Dog Diseases (drug therapy)
  • Dogs
  • Feces (parasitology)
  • Female
  • Intestinal Diseases, Parasitic (drug therapy, veterinary)
  • Macrolides
  • Male
  • Parasite Egg Count (veterinary)
  • Trichuriasis (drug therapy, veterinary)

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