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Subclinical mastitis prevalence in relation to production system.
| Area (district) | Production system | Number of tested cows | Number of CMT mastitis positive | Number of CMT mastitis negative | % mastitis positive | P value |
|---|---|---|---|---|---|---|
| Rubavu | Intensive | 61 | 38 | 23 | 61.3 | 0.087 |
| Nyabihu | Extensive | 62 | 24 | 38 | 38.7 | |
|
| ||||||
| Total | 123 | 62 | 61 | |||
|
| ||||||
| Overall prevalence | 50.4% | |||||
