Table 1.
Seroprevalence (IFA) and C. burnetii shedding prevalence assessed by qPCR in vaginal swabs (com1) in recently kidded does on a large dairy goat enterprise in south western Victoria, Australia in 2016
| Kidding season | Assay | Does positive / total sampled | Prevalence as no. of positive does per 100 does at risk (95% CI) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Farm A | Farm B | Farm C | Total | Farm A | Farm B | Farm C | Total | ||
| March to April | com1 | 0/34 | 11/33 | 1/22 | 12/89 | 0 (0, 10) | 33 (20, 50) | 4 (1, 22) | 13.5 (7.9, 22.1) |
| June to July | com1 | 16/41 | 4/55 | 2/51 | 22/147 | 39 (26, 54) | 7 (3, 17) | 4 (1, 13) | 15 (10.1, 21.6) |
| September to October | com1 | 15/52 | 2/40 | 1/42 | 18/134 | 29 (18, 42) | 5 (1, 16) | 2 (0, 12) | 13.4 (8.7, 20.2) |
| November to December | com1 | 17/41 | 2/40 | 2/39 | 21/120 | 41 (28, 57) | 5 (1, 16) | 5 (1. 17) | 17.5 (11.7, 25.3) |
| March to April | IFA | 13/34 | 15/33 | 11/22 | 39/89 | 38 (24, 55) | 45 (30, 62) | 50 (31, 69) | 28.3 (21.4, 36.3) |
| June to July | IFA | 9/40 | 9/55 | 17/51 | 35/146 | 22 (12, 37) | 16 (9, 28) | 33 (22, 47) | 24 (17.8, 31.5) |
| September to October | IFA | 9/51 | 13/39 | 9/41 | 31/131 | 18 (10, 30) | 33 (21, 49) | 22 (12, 37) | 23.7 (17.2, 31.6) |
| November to December | IFA | 18/41 | 13/40 | 9/39 | 40/120 | 18 (10, 30) | 32 (20, 48) | 23 (13, 38) | |
| 33.3 (25.5, 42.2) | |||||||||
| Total | com1 | 48/168 | 19/168 | 6/154 | 73/490 | 29 (22, 36) | 11 (7, 17) | 4 (2, 8) | 14.9 (12, 18.33) |
| IFA | 49/166 | 49/166 | 46/153 | 145/486 | 29 (23, 37) | 30 (23, 37) | 30 (23, 38) | 29.8 (25.9,34) | |