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Table 2 Burden of Toxoplasma gondii DNA in chicken tissues (used as mouse inocula)

From: Predominance of atypical genotypes of Toxoplasma gondii in free-roaming chickens in St. Kitts, West Indies

Chicken IDa

qPCR

DNA (pg)

No. of mice infected (out of 3 inoculated)

No. of mice euthanized early due to infection (% mortality)b

1.6

Pos

0.3

3

0 (0)

1.8

Pos

1.5

3

0 (0)

2.1

Pos

11.1

3

3 (100)

2.3

Pos

1.8

3

3 (100)

2.7

Pos

0.04

0

0 (0)

3.2

Neg

0.0

3

0 (0)

3.4

Pos

0.3

3

0 (0)

3.5

Pos

0.7

3

3 (100)

3.6

Pos

0.1

3

1 (33.3)

3.8

Pos

5.6

3

2 (66.7)

5.1

Pos

6.3

3

3 (100)

5.2

Pos

13.6

3

2 (66.7)

6.1

Pos

21.6

3

3 (100)

6.2

Pos

1.1

3

3 (100)

6.6

Pos

1.9

3

3 (100)

8.1

Neg

0.0

0

0 (0)

8.5

Pos

0.07

3

3 (100)

9.1

Pos

0.2

2

0 (0)

9.2

Pos

2.5

3

0 (0)

9.3

Pos

1.7

3

0 (0)

9.5

Neg

0.0

3

0 (0)

9.8

Pos

0.3

3

0 (0)

9.9

Neg

0.0

0

0 (0)

  1. Abbreviations: Neg, T. gondii qPCR-negative; Pos, T. gondii qPCR-positive
  2. aChickens which were positive by ITS1 PCR
  3. bOne mouse missing from table, it was inoculated with chicken tissues which were negative by ITS1 PCR and qPCR