Figure 4From: Placental thrombosis in acute phase abortions during experimental Toxoplasma gondii infection in sheepKinetics of the specific IFN-γ release by PBMC stimulation assay against T. gondii antigen. Although differences between ewes suffering or not acute phase abortions were not significant, the peak of IFN-γ release appeared sooner in the former than in the latter. Values of the O.D. index in the control group remained low over the whole experiment.Back to article page