Table 1 Mean within-farm seroprevalence of Toxoplasma gondii in dairy sheep flocks and bivariable association with potential risk factors
From: Seroprevalence and risk factors for Toxoplasma gondii in sheep in Grosseto district, Tuscany, Italy
Variable | Level | Number of farms | Mean seroprevalence(%) | P-value* |
|---|---|---|---|---|
Size of flock | <300 | 14 | 42.4 | <0.001 |
| Â | 300-400 | 10 | 33.5 | Â |
| Â | >400 | 9 | 24.0 | Â |
Production system | Extensive | 30 | 35.9 | 0.088 |
| Â | Intensive | 3 | 22.6 | Â |
Stagnant water used | No | 21 | 31.3 | 0.05 |
| Â | Yes | 12 | 40.7 | Â |
Separate water trough for young and adult animals | No | 29 | 33.7 | 0.587 |
| Â | Yes | 4 | 42.2 | Â |
Separate feed troughs for young and adult animals | No | 10 | 31.3 | 0.948 |
| Â | Yes | 23 | 36.18 | Â |
Purchased breeding animals in last 5 years | No | 3 | 22.7 | 0.481 |
| Â | Yes | 30 | 35.9 | Â |
Resident cats present on farm | No | 10 | 28.4 | 0.122 |
| Â | Yes | 23 | 37.4 | Â |
Stray cats occur on farm | No | 0 | – | – |
| Â | Yes | 33 | 34.7 | Â |
Access of stray cats to animal feed | No | 7 | 32.4 | 0.715 |
| Â | Yes | 26 | 35.3 | Â |
Access of stray cats to animals’ water | No | 12 | 22.9 | 0.001 |
| Â | Yes | 21 | 41.4 | Â |