Table 6.
Least square means and standard errors for daily activity and rumination by breed group within primiparous and multiparous cows for the organic dairy herd and low-input conventional dairy herd
Primiparous | Multiparous | |||||||
---|---|---|---|---|---|---|---|---|
Breed group1 | Organic herd | Conventional herd | Organic herd | Conventional herd | ||||
Activity, activity units | Mean | SE | Mean | SE | Mean | SE | Mean | SE |
Holstein | 611.3a,b | 44.0 | 586.7a | 20.5 | 613.0a | 44.7 | 579.8a | 20.5 |
1964 Holstein | 522.7a | 26.7 | 527.9a | 35.3 | 736.5b | 26.7 | 666.8b | 35.2 |
MVH | 550.3a | 21.4 | 595.7a | 15.4 | 613.8a | 21.7 | 627.8a,b | 15.4 |
NJV | 617.4b | 15.8 | 583.1a | 38.8 | 595.7a | 16.0 | 686.6b | 39.0 |
Rumination, min/d | ||||||||
Holstein | 522.8a,b | 11.5 | 500.9a | 4.6 | 543.7a | 12.0 | 525.8a | 4.6 |
1964 Holstein | 499.0b | 7.1 | 477.9b | 7.9 | 490.3b | 7.1 | 489.1b | 7.9 |
MVH | 521.0a | 5.6 | 497.1a | 3.4 | 518.5c | 5.8 | 516.3a | 3.5 |
NJV | 510.9a,b | 4.2 | 498.3a,b | 8.6 | 513.8c | 4.3 | 516.6a | 8.7 |
a,b,cMeans within a column of primiparous and multiparous breed groups by herd for daily activity and rumination without common superscripts are different at P < 0.05.
1MVH = crossbreds of Montbéliarde, Viking Red, and Holstein; NJV = crossbreds of Normande, Jersey, and Viking Red.