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Number of intramammary infections (IMI) with clinical signs in seven dairy herds during a 20 month period
| Number of IMI | Number of IMI with clinical signs | |
|---|---|---|
| E. coli | 105 | 99 (94%) |
| Staph. aureus | 171 | 62 (36%) |
| Strep. dysgalactiae | 80 | 52 (65%) |
| Strep. uberis | 79 | 49 (62%) |
