Multiple and multigeneric anthelmintic resistance on a sheep farm in Malaysia

S Sivaraj, P Dorny, J Vercruysse, V S Pandey

Research output: Contribution to journalA1: Web of Science-article


The anthelmintic efficacy of benzimidazoles, levamisole, closantel, ivermectin and moxidectin was evaluated on an institutional farm in Malaysia using faecal egg count reduction tests, controlled slaughter trials and an in vitro egg hatch assay. The results of this study indicated simultaneous resistance of Haemonchus contortus against benzimidazoles and ivermectin and of Trichostrongylus colubriformis against benzimidazoles and levaminsole on the same farm. Moxidectin was effective against the ivermectin resistant H. contortus.

Original languageEnglish
JournalVeterinary Parasitology
Issue number1-2
Pages (from-to)159-65
Number of pages7
Publication statusPublished - 1994


  • Animal Husbandry
  • Animals
  • Anthelmintics
  • Anti-Bacterial Agents
  • Benzimidazoles
  • Drug Resistance
  • Haemonchiasis
  • Haemonchus
  • Ivermectin
  • Levamisole
  • Macrolides
  • Malaysia
  • Parasite Egg Count
  • Salicylanilides
  • Sheep
  • Sheep Diseases
  • Trichostrongylosis
  • Trichostrongylus
  • Journal Article


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