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Table 2 Results of PRRSV titration, SRY and ZFX PCR in dam sera.

From: Demonstration of microchimerism in pregnant sows and effects of congenital PRRSV infection

Dam PRRSV titre log10 TCID50/ml of sera at the day of... SRY PCR results at the day of... ZFX PCR results at the day of...
  inoculation euthanasia inoculation euthanasia inoculation euthanasia
I70 - 2.3 + - + +
I90-1 - 4.8 - + + +
I90-2 - 3.3 - + + +
I90-3 - 3.3 - - + +
I90-4 - 2.3 - - + +
I90-5 - - + + + +
Con-1 - - - - + +
Con-2 - - - - + +
Con-3 - - - - + +
  1. PRRSV titres < 1.0 (detection limit) were considered to be negative. Serum from dam I90-5 was also tested at 100 days of gestation and was PRRSV-positive with a PRRSV titre of 2.6 log10 TCID50/mL.