Table I.
Least square means of body condition scores and their respective confidence intervals. Data were analyzed using the MIXED procedure of SAS. A first-order autoregressive covariance structure was used to account for the within-cow correlation of the BCS observations
| Variable | LSM | 95% CI | P-value |
|---|---|---|---|
| Three-times-daily milking | 2.93 | 2.91 to 2.95 | |
| Enrollment | 2.93 | 2.90 to 2.96 | |
| 30 d | 2.91 | 2.88 to 2.94 | |
| 60 d | 2.93 | 2.90 to 2.96 | |
| 90 d | 2.95 | 2.92 to 2.99 | |
| < 0.001 | |||
| Twice-daily milking | 2.98 | 2.96 to 3.00 | |
| Enrollment | 2.93 | 2.90 to 2.96 | |
| 30 d | 2.95 | 2.92 to 2.98 | |
| 60 d | 3.01 | 2.98 to 3.05 | |
| 90 d | 3.03 | 2.99 to 3.06 |
LSM — least square means.
CI — confidence interval.
d — day.