Table 4.
Least square means and standard errors for daily activity and rumination by year across lactation numbers for the organic dairy herd and low-input conventional dairy herd
| Organic herd | Conventional herd | |||
|---|---|---|---|---|
| Year | Mean | SE | Mean | SE |
| Activity, activity units | ||||
| 2014 | 595.1c | 15.0 | 530.0c | 17.8 |
| 2015 | 568.7b | 14.7 | 609.9b | 14.7 |
| 2016 | 630.9a | 14.6 | 641.4a | 14.6 |
| 2017 | 635.7a | 14.6 | 646.0a | 14.7 |
| Rumination, min/d | ||||
| 2014 | 509.0c | 4.2 | 485.5c | 3.4 |
| 2015 | 515.3b | 3.9 | 508.9a,b | 3.3 |
| 2016 | 513.8b | 3.9 | 510.5a | 3.3 |
| 2017 | 522.0a | 3.9 | 506.1b | 3.3 |
a,b,cMeans within a column for daily activity and rumination without common superscripts are different at P < 0.05.