The demonstration by interference tests of an infective agent in fetuses from ewes inoculated with Border disease tissue.

@article{Hadjisavvas1975TheDB,
  title={The demonstration by interference tests of an infective agent in fetuses from ewes inoculated with Border disease tissue.},
  author={T H Hadjisavvas and Janet Harkness and R A Huck and Philip Stuart},
  journal={Research in veterinary science},
  year={1975},
  volume={18 3},
  pages={237-43}
}
Fetuses and placental tissues were taken from pregnant ewes at intervals varying between eight and 21 days after inoculation with tissue suspensions from cases of Border disease. Virus isolation procedures involving the detection of a cytopathic effect in tissue cultures with or without interference tests produced universally negative results but interference tests, using a plaque technique with the NADL strain of bovine virus diarrhoea virus as a challenge virus, detected the presence of an… CONTINUE READING