Table 1.
Descriptive results for cow characteristics on quarter level for all quarters infected at DO4 and sorted by treatment group.
| Infected 1 | Antibiotic Dry Cow Treatment | Non-Antibiotic Dry Cow Treatment | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (Median) | Mean (Median) | Min | Max | n 2 | Mean (Median) | Min | Max | n | |
| SCC ×1000 cells/mL 3 | 546 (197) | 625 (253) | 1 | 11,144 | 1037 | 502 (173) | 1 | 51,352 | 1888 |
| milk yield at DO 4 | 10.7 (10.0) | 11.29 (11.0) | 1 | 30.1 | 1025 | 10.5 (10.0) | 0.2 | 27.8 | 1893 |
| BCS 5 | 3.41 (3.5) | 3.48 (3.50) | 1.75 | 5.0 | 994 | 3.36 (3.25) | 2.0 | 5.0 | 1610 |
| parity | 3.7 (3.0) | 3.9 (3.0) | 1 | 10 | 1010 | 3.6 (3.0) | 1 | 19 | 1799 |
| DP length (d) 6 | 57.1 (54.0) | 58.1 (53.0) | 15 | 149 | 1058 | 56.6 (54.0) | 17 | 132 | 1929 |
1 all infected quarters matching the inclusion criteria; 2 number of quarters for which the variable was reported; 3 somatic cell count at dry off (×1000 cells/mL); 4 dry off; 5 Body Condition Score; 6 dry period length in days.