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Key characteristics of the two study herds.
| Herd 1 | Herd 2 | |
|---|---|---|
| Herd size (cows) | 180 | 360 |
| Average daily milk production per cow (kg) | 30.4 | 39.7 |
| Bulk milk SCC (cells/mL) | 294,000 | 280,000 |
| Breed | Holstein | Holstein |
| Bedding material | Straw | Sand |
| Milking parlor | 12 × 2 side- by-side | 16 × 2 side-by-side |
