The potency of bovine PPD tuberculins in guinea-pigs and in tuberculous cattle.

@article{Dobbelaer1983ThePO,
  title={The potency of bovine PPD tuberculins in guinea-pigs and in tuberculous cattle.},
  author={Roland Dobbelaer and Lynda O'Reilly and Annie Genicot and J L Haagsma},
  journal={Journal of biological standardization},
  year={1983},
  volume={11 3},
  pages={
          213-20
        }
}
Potency differences between bovine purified protein derivative tuberculin preparations produced in two different centres and also between preparations produced within these centres, were detected in tuberculous cattle and correlated with potency differences in guinea-pigs. Although assays in groups of guinea-pigs sensitized with either killed Mycobacterium bovis or live BCG identified the weak batches and listed the tuberculins in the same order of potency as the cattle assays, there were… CONTINUE READING

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