Table 4. Rumination time through 120 DIM and milk composition for the first 17 weeks of lactation of control cows and cows supplemented with S. baicalensis extract (SBE) for either 5 d (SBE5) or 60d (SBE60) following calving.

Values are LS means ± pooled SEM, n = 39–42.

	Control	SBE5	SBE60	SEM	P-values
					Con v. SBE5	Con v. SBE60
Rumination, min/d
d 1–63	429.9	427.3	429.0	8.20	0.76	0.92
d 64–120	410.3	405.8	409.9	7.30	0.58	0.95
Milk fat, %
d 1–63	3.84	3.84	3.84	0.17	0.95	0.99
d 64–120	3.24	3.08	3.29	0.18	0.28	0.77
Milk protein, %
d 1–63	3.16	3.10	3.12	0.06	0.40	0.54
d 64–120	2.97	2.89	2.97	0.05	0.15	0.99
Milk lactose, %
d 1–63	4.87	4.89	4.95	0.04	0.54	0.06
d 64–120	4.92	4.95	4.97	0.04	0.46	0.25
Milk fat, kg/d
d 1–63	1.61	1.67	1.77	0.08	0.50	0.04
d 64–120	1.35	1.38	1.51	0.08	0.73	0.04
Milk protein, kg/d
d 1–63	1.34	1.40	1.46	0.06	0.42	0.09
d 64–120	1.23	1.34	1.41	0.05	0.13	0.01
Milk lactose, kg/d
d 1–63	2.10	2.23	2.36	0.10	0.26	0.03
d 64–120	2.07	2.28	2.35	0.09	0.07	0.02
SCC, log10 cells/mL
d 1–63	2.19	2.07	1.86	0.13	0.37	0.02
d 64–120	2.13	1.98	1.91	0.14	0.29	0.13