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Comparison of E. equi serology and tick pasture in relation to the number of seropositive sheep flocks in Norway. |
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| Pasture |
Seropositive flocks |
Seronegative flocks |
Total |
|
|
|||
| Ixodes-infested |
32 |
2 * |
34 |
| Ixodes-free |
0 |
41 |
41 |
| Total |
32 |
43 |
75 |
|
Yates corrected χ2 = 63.51 (p < 0.00001) * Both flocks were grazing on pasture with an unknown distribution of I. ricinus; one flock had been prophylactically treated with synthetic pyrethroids | |||
Stuen and Bergström Acta Veterinaria Scandinavica 2001 42:331 doi:10.1186/1751-0147-42-331 |
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