Blood neutrophil extracellular traps: a novel target for the assessment of mammary health in transition dairy cows

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	3.31^a	3.35^a	2.80^b	3.10^ab	0.062	0.19	< 0.01	0.20
Triglyceride, μmol/L	223^a	231^a	90^b	95^b	10.1	0.52	< 0.01	0.90
NEFA, μmol/L	271^b	246^b	791^a	845^a	61.1	0.89	< 0.01	0.68
BHBA, μmol/L	467^b	458^b	931^a	743^a	46.1	0.24	< 0.01	0.24
Cholesterol, mmol/L	3.01^a	2.69^ac	2.56^bc	2.22^b	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	64^b	69^b	113^a	101^a	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	33.8^a	32.3^ab	33.5^a	31.6^b	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	95.4^a	90.1^ab	86.3^b	79.8^bc	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

ISSN: 2049-1891