Vaccination of young lambs by means of a protein fraction extracted from adult Haemonchus contortus.

@article{Munn1987VaccinationOY,
  title={Vaccination of young lambs by means of a protein fraction extracted from adult Haemonchus contortus.},
  author={E. Munn and Christine Greenwood and W. John Coadwell},
  journal={Parasitology},
  year={1987},
  volume={94 ( Pt 2)},
  pages={385-97}
}
Lambs aged 48-150 days which had been injected with extracts enriched in a functional antigen (contortin) obtained from adult Haemonchus contortus developed specific circulating antibodies and were less susceptible to haemonchosis when challenged 1 month later with a single dose of 20,000-25,000 infective 3rd-stage larvae. Sera from 18 out of a total of 19 lambs injected with the extract contained precipitating antibodies to 2-5 components of the extract. None of these lambs died. The one… CONTINUE READING

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