Cross protection among Haemophilus parasuis strains in immunized gnotobiotic pigs.

@article{Miniats1991CrossPA,
  title={Cross protection among Haemophilus parasuis strains in immunized gnotobiotic pigs.},
  author={O Paul Miniats and Nonie L. Smart and Soren Rosendal},
  journal={Canadian journal of veterinary research = Revue canadienne de recherche veterinaire},
  year={1991},
  volume={55 1},
  pages={37-41}
}
In an attempt to establish if cross protection can be induced by different strains of Haemophilus parasuis, three groups of 12 gnotobiotic pigs were immunized each with an aluminum hydroxide adsorbed whole cell bacterin of one of three H. parasuis strains. Two weeks later, four pigs within each vaccinated group were challenged with aerosols of live cultures of each of the three test strains and observed for response. Two virulent strains V1 and V2 protected all the vaccinated pigs, while all… CONTINUE READING