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Table 2 Presence of anti-Toxoplasma gondii antibodies in analyzed porcine serum samples

From: A serological survey of Toxoplasma gondii in Polish pigs from organic farms, other housing systems and in pigs of different age groups

Group

Number of tested animals

Number of seropositive animals (dilution 1:50; titer < 50)

Ranges of antibody titers in seropositive animals

50–99

100–199

200–399

400–799

800–1599

Finishing pigs on farms with high hygiene standards

167

9 (5.4%)

8 (4.8%)

0 (0%)

1 (0.6%)

0 (0%)

0 (0%)

Finishing pigs on farms with low hygiene standards

115

47 (40.9%)

17 (14.8%)

4 (3.5%)

1 (0.9%)

7 (6.1%)

5 (4.3%)

Finishing pigs on farm with high level of biosecurity

40

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Finishing pigs on organic farms

116

61 (52.6%)

4 (3.45%)

2 (1.75%)

10 (8.6%)

16 (13.8%)

13 (11.2%)

Subtotal:

438

117 (26.7%)

29 (6.6%)

6 (1.4%)

12 (2.7%)

23 (5.3%)

18 (4.1%)

Pigs at < 3 months

63

7 (11.1%)

2 (3.15%)

2 (3.15%)

3 (4.8%)

0 (0%)

0 (0%)

Finishing pigs at 3–4 months

60

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Finishing pigs at 5–6 months

57

7 (12.3%)

5 (8.8%)

0 (0%)

1 (1.75%)

0 (0%)

0 (0%)

Sows at ≥ 9 months

142

62 (43.7%)

6 (4.2%)

3 (2.1%)

17 (12%)

9 (6.3%)

0 (0%)

Subtotal:

322

76 (23.6%)

13 (4%)

5 (1.6%)

21 (6.5%)

9 (2.8%)

0 (0%)

Total:

760

193 (25.4%)

42 (5.5%)

11 (1.4%)

33 (4.3%)

32 (4.2%)

18 (2.4%)