. 2016 Aug 8;11(8):e0160659. doi: 10.1371/journal.pone.0160659

Table 5. Effects of dietary supplementation of rumen-protected choline (T_C), rumen-protected methionine (T_M) or both (T_CM) on postpartum lactation performance in transition dairy cows¹.

Items	T₀	T_C	T_M	T_CM	SEM	P-value
Items	T₀	T_C	T_M	T_CM	SEM	C	M	C×M
FCM (kg/d)	22.70	23.42	23.31	23.94	0.264	0.015	0.040	0.868
Milk fat (%)	3.28	3.44	3.41	3.60	0.078	0.027	0.071	0.855
Milk protein (%)	3.05	3.19	3.23	3.28	0.056	0.103	0.022	0.366
Milk lactose (%)	4.84	4.88	4.87	4.85	0.030	0.811	0.991	0.424
Total milk solids (%)	12.01	12.88	12.90	13.26	0.250	0.019	0.015	0.315
Somatic cell count (×10⁴/mL)	21.55	18.63	20.18	18.37	2.37	0.325	0.732	0.816
Non-fat solids (%)	8.73	9.43	9.49	9.66	0.228	0.064	0.036	0.245
Milk urea nitrogen (mg/dL)	11.20	10.31	10.86	10.40	0.576	0.245	0.827	0.710

¹FCM = 4% fat-corrected milk.

Table 5. Effects of dietary supplementation of rumen-protected choline (TC), rumen-protected methionine (TM) or both (TCM) on postpartum lactation performance in transition dairy cows1.