Table 2.
Herd Prevalence of Leptospira Hardjo (%) and Median Breeding Herd Size (BHS) by Region: Herds included in a Risk Factor (RF) Study (n = 128); Seroprevalence (SP) Study (n = 288) and Herds Failing to Return Questionnaire (NR) (n = 160)
| Region | (RF) Herds Free from Infection | (RF) Herds Infected | (RF) Total Herds | (RF) Herd Prevalence % | (SP) Herd Prevalence% |
(NR) Herd Prevalence % | (RF) Median BHS | (NR) Median BHS |
|---|---|---|---|---|---|---|---|---|
| Region 1 | 6 | 23 | 29 | 79.31 | 82.76 (n = 58) | 86.21 (n = 29) | 20.00 | 21.00 |
| Region 2 | 8 | 19 | 27 | 70.37 | 75.93 (n = 54) | 81.48 (n = 27) | 19.00 | 20.00 |
| Region 3 | 4 | 12 | 16 | 75.00 | 80.00 (n = 50) | 82.35 (n = 34) | 22.50 | 28.50 |
| Region 4 | 1 | 13 | 14 | 92.86 | 85.11 (n = 47) | 81.82 (n = 33) | 22.00 | 21.00 |
| Region 5 | 0 | 23 | 23 | 100.00 | 93.33 (n = 45) | 86.36 (n = 22) | 28.50 | 26.50 |
| Region 6 | 2 | 17 | 19 | 89.47 | 76.47 (n = 34) | 60.00 (n = 15) | 28.00 | 18.00 |
| Totals | 21 | 107 | 128 | 83.59 | 82.29 (n = 288) | 81.25 (n = 160) | 23.33 | 22.00 |