Table 3.
Prevalence of bovine mastitis among dairy cows in Ethiopia by subgroup analysis.
| Variables | Characteristics | Number of studies | Sample size | Prevalence (95% CI) | I 2, P value |
|---|---|---|---|---|---|
| Sample size | <200 | 3 | 344 | 57.39 (95% CI: 28.88, 85.90) | 98.33%, P < 0.001 |
| >200 | 14 | 6094 | 40.69 (95% CI: 31.88, 49.49) | 98.14%, P < 0.001 | |
|
| |||||
| Pooled prevalence of mastitis by region | Addis Ababa | 2 | 736 | 48.96 (95% CI: 44.82, 53.09) | — |
| Amhara | 3 | 1048 | 25.09 (95% CI: 3.86, 46.32) | 98.63%, P < 0.001 | |
| B/Gumuz | 1 | 384 | 39.30 (95% CI: 34.90, 43.70) | — | |
| Oromia | 5 | 1301 | 49.90 (95% CI: 31.77, 68.03) | 98.49%, P < 0.001 | |
| SNNPR | 6 | 2969 | 46.66 (95% CI: 31.35, 61.96) | 98.27%, P < 0.001 | |
|
| |||||
| Pooled prevalence of mastitis by year | 2005–2016 | 8 | 3400 | 39.97 (95% CI: 25.50, 54.44) | 98.89%, P < 0.001 |
| 2017–2022 | 9 | 3038 | 46.83 (95% CI: 35.68, 57.97) | 97.57%, P < 0.001 | |
|
| |||||
| Pooled prevalence by type of mastitis | Clinical | 17 | 6438 | 12.59 (95% CI: 7.18, 18.00) | 98.76%, P < 0.001 |
| Subclinical | 17 | 6438 | 32.21 (95% CI: 24.68, 39.74) | 98.24%, P < 0.001 | |
| Overall | 17 | 6438 | 43.60 (95% CI: 34.71, 52.49) | 98.37%, P < 0.001 | |