. 2019 Jul 16;3(4):1435–1445. doi: 10.1093/tas/txz106

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	611.3^a,b	44.0	586.7^a	20.5	613.0^a	44.7	579.8^a	20.5
1964 Holstein	522.7^a	26.7	527.9^a	35.3	736.5^b	26.7	666.8^b	35.2
MVH	550.3^a	21.4	595.7^a	15.4	613.8^a	21.7	627.8^a,b	15.4
NJV	617.4^b	15.8	583.1^a	38.8	595.7^a	16.0	686.6^b	39.0
Rumination, min/d
Holstein	522.8^a,b	11.5	500.9^a	4.6	543.7^a	12.0	525.8^a	4.6
1964 Holstein	499.0^b	7.1	477.9^b	7.9	490.3^b	7.1	489.1^b	7.9
MVH	521.0^a	5.6	497.1^a	3.4	518.5^c	5.8	516.3^a	3.5
NJV	510.9^a,b	4.2	498.3^a,b	8.6	513.8^c	4.3	516.6^a	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.