Table 1 Seropositivity for Toxoplasma gondii in sheep according to animal age.

Positive

Negative

Borderline

Positive*

Negative*

Borderline

1 year

76

128

12

37.3%

62.7%

5.6%

2 years

247

289

58

46.1%

53.9%

9.8%

3 years

351

307

87

53.3%

46.7%

11.7%

4 years

340

257

64

57.0%

43.0%

9.7%

5 years

292

151

45

65.9%

34.1%

9.2%

6 years

209

101

28

67.4%

32.6%

8.3%

> 6 years

104

37

15

73.8%

26.2%

9.6%

Total

1619

1270

309

56.0%

44.0%

9.7%