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Failure to infect gnotobiotic colostrum-deprived, and normal piglets with Treponema pallidum (Nichols).
  1. S R Graves,
  2. M S Wachter,
  3. R C Johnson


    Normal piglets kept at 16 degrees C. and gnotobiotic piglets kept at 32 degrees C. rapidly destroyed Treponema pallidum, while gnotobiotic piglets kept at 26 degrees C. showed slightly slower clearance. No infections were established. The high body temperature of the piglets has an important influence on the survival of T. pallidum.

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