Table 1.
Factors | Category | Number Tested | Number Positive | Prevalence (%) [95%CI] | Genotype | OR (95%, CI) | p-Value |
---|---|---|---|---|---|---|---|
Region | Kunming | 248 | 2 | 0.81 [0.00–1.92] | I, J | 1.91 (0.17–21.21) | 0.856 |
Dali | 357 | 2 | 0.56 [0.00–1.33] | BEB4, YNDCEB-90 | 1.32 (0.12–14.68) | ||
Tengchong | 236 | 1 | 0.42 [0.00–1.25] | YNDCEB-174 | Reference | ||
Season | Summer | 599 | 4 | 0.67 [0.02–1.32] | I, J, YNDCEB-90, YNDCEB-174 | Reference | 0.535 |
Autumn | 96 | 1 | 1.04 [0.00–3.07] | BEB4 (1) | 1.56 (0.17–14.16) | ||
Winter | 146 | 0 | 0 | 0 | - | ||
Variety | Holstein cows | 490 | 3 | 0.61 [0.00–1.30] | I, J, BEB4 | 1.07 (0.18–6.47) | 0.937 |
Dairy buffalo | 351 | 2 | 0.57 [0.00–1.36] | YNDCEB-90, YNDCEB-174 | Reference | ||
Breeding Mode | Captive | 702 | 3 | 0.43 [0.00–0.91] | I, J, BEB4 | Reference | 0.156 |
Free-ranging | 139 | 2 | 1.44 [0.00–3.42] | YNDCEB-90, YNDCEB-174 | 3.40 (0.56–20.55) | ||
Gender | Male | 90 | 0 | 0 | - | - | 0.438 |
Female | 751 | 5 | 0.67 [0.08–1.25] | I, J, BEB4, YNDCEB-90,YNDCEB-174 | - | ||
Age | Pre-weaned cattle (0–2 month) | 18 | 0 | 0 | - | - | 0.774 |
Post-weaned cattle (3–6 month) | 42 | 0 | 0 | - | - | ||
Growing cattle (7 months to 1.5 years) | 73 | 1 | 1.37 [0.00–4.04] | YNDCEB-90 | 2.44 (0.27–22.17) | ||
Adult cattle (>1.5 years) | 708 | 4 | 0.56 [0.01–1.12] | I, J, BEB4, YNDCEB-174 | Reference | ||
Total | 841 | 5 | 0.59 | I, J, BEB4, YNDCEB-90 YNDCEB-174 |
- | - |
Notes: OR, odds ratio; CI, confidence interval; Reference, minimum infection rate.