Studies on Haemonchus contortus. I. The influence of previous exposure to Trichostrongylus axei on infestation with H. contortus

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Peer-Reviewed Research
  • SDG 2
  • Abstract:

    A group of Merino sheep, aged 6-7 months was infested orally with 50 000 infective larvae of Trichostrongylus axei. This group and a control group were challenged 90-92 days later with 50 000 infective larvae of Haemonchus contorus. Previous infestation with T. axei caused a reduction of more than 80% in the worm burdens of H. contorus in more than 80% of the sheep.