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Table 2 Percentage of studied cases showing histological lesions and/or T. gondii DNA identification according to the inoculated dose and dpi when culled or abortion occurred.

From: Placental thrombosis in acute phase abortions during experimental Toxoplasma gondii infection in sheep

Group

Challenge

% of positives out of the studied cases^

5 dpi

7–11 dpi‡

12 dpi

21 dpi

Lambing

HE

PCR

HE

PCR

HE

PCR

HE

PCR

HE

PCR

A

2 × 103

0/0

0/0

100/9

0/0

0/0

100/0

ns

ns

0/0

0/0

B

5 × 102

0/0

0/0

100/63

33/0

0/0

100/0

§100/75

100/100

0/0

0/0

Total

0/0

0/0

100/32

25/0

0/0

100/0

§100/75

100/100

0/0

0/0

  1. ^: numerator: percentage of placentas showing lesions/T. gondii DNA identification, denominator: percentages of foetuses showing lesions/T. gondii DNA identification; †: sporulated oocysts orally dosed; ‡: spontaneous abortions, the other timepoints correspond to serials culling of pregnant ewes; §: These were lesions of “classical” toxoplasmosis.