Table 2.

Serum nutrient metabolites in dairy cows with low- and high-DSCC at week – 1 or + 1 relative to calving¹

Items2	– 1 Wk3		+ 1 Wk3		SEM	P-value4
	Low DSCC	High DSCC	Low DSCC	High DSCC		Hs	Wk	Hs × Wk
Glucose, mmol/L	3.31a	3.35a	2.80b	3.10ab	0.062	0.19	< 0.01	0.20
Triglyceride, μmol/L	223a	231a	90b	95b	10.1	0.52	< 0.01	0.90
NEFA, μmol/L	271b	246b	791a	845a	61.1	0.89	< 0.01	0.68
BHBA, μmol/L	467b	458b	931a	743a	46.1	0.24	< 0.01	0.24
Cholesterol, mmol/L	3.01a	2.69ac	2.56bc	2.22b	0.071	0.03	< 0.01	0.90
ALT, U/L	19.9	21.5	20.8	20.2	0.48	0.67	0.78	0.07
AST, U/L	64b	69b	113a	101a	4.15	0.59	< 0.01	0.18
Total protein, g/L	68.9	70.3	69.2	71.3	0.85	0.40	0.64	0.82
Albumin, g/L	33.8a	32.3ab	33.5a	31.6b	0.31	0.03	0.32	0.63
Blood urea nitrogen, mmol/L	4.49	4.20	4.54	3.66	0.143	0.10	0.21	0.15
Creatinine, μmol/L	95.4a	90.1ab	86.3b	79.8bc	2.01	0.25	< 0.01	0.77

¹The data are expressed as the mean ± SEM, n = 15. ^a,b,cP < 0.05

²NEFA Nonesterified fatty acid, BHBA β-hydroxybutyrate, ALT Alanine aminotransferase, AST Aspartate aminotransferase

³DSCC Differential somatic cell count, – 1 Wk Week – 1 relative to calving, + 1 Wk Week + 1 relative to calving

⁴Hs Health status, Wk Sampling week, Hs × Wk Interaction between health status and sampling week