From: Risk factors for Coxiella burnetii antibodies in bulk tank milk from Danish dairy herds
Variables | Respondents | Odd Ratio (95% CI) | P-value* | |
---|---|---|---|---|
Total | No. (%) positive | |||
Sharing equipment (machines) with other herds | 0.04 | |||
Yes | 23 | 17 (73.91) | 3.62 (1.03 - 12.76) | |
No | 77 | 42 (54.55) | 1 | |
Animals’ contact with human visitors | 0.01 | |||
Yes | 70 | 47 (79.66) | 4.17 (1.41 - 12.5) | |
No | 30 | 12 (20.34) | 1 | |
Insemination by other than artificial insemination (AI) technician | 0.01 | |||
Yes | 13 | 12 (92.31) | 7.69 (2.08 - 16.95) | |
No | 87 | 47 (54.02) | 1 | |
Routine herd health contract with veterinarian | 0.01 | |||
Yes | 56 | 40 (71.43) | 4.32 (1.51 - 12.36) | |
No | 44 | 19 (43.18) | 1 | |
Hygienic precautions by veterinarian before entering the herd | 0.004 | |||
No | 61 | 40 (65.57) | 5.00 (1.66 - 15.12) | |
Yes | 39 | 19 (48.72) | 1 |