Transplacental transmission and abortion in cows administered Neospora caninum oocysts.

  title={Transplacental transmission and abortion in cows administered Neospora caninum oocysts.},
  author={Lu{\'i}s Fernando Pita Gondim and Milton M. McAllister and R. Anderson-Sprecher and Camilla Bj{\"o}rkman and Theodore F Lock and Lawrence D. Firkins and Liying Gao and Wayne Robert Fischer},
  journal={The Journal of parasitology},
  volume={90 6},
Neospora caninum infection is a common cause of bovine abortion. One method by which cattle can acquire infection is through ingestion of oocysts; however, this has not yet been proved to cause transplacental infection or abortion. In this study, 19 cows, pregnant between 70 and 176 days, were administered 1500 to 115,000 oocysts through an esophageal tube. Seventeen of the cows became seropositive, indicating acquisition of infection, whereas 8 negative control cows remained seronegative (P… CONTINUE READING

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