. 2012 Mar 14;8:28. doi: 10.1186/1746-6148-8-28

Table 5.

Metabolic parameters in liver biopsy and plasma samples of dairy cows in the transition period and at different stages of lactation

	3 wk prepartum	1 wk postpartum	5 wk postpartum	14 wk postpartum	P-value
Plasma NEFA (μmol/L)	103^d± 10	864^a± 47	276^b± 16	171^c± 11	< 0.001

Liver triglyceride (mg/g wet weight)	4.56^c± 0.45	23.5^b± 2.6	64.3^a± 10.3	3.18^c± 0.28	< 0.001

Plasma BHBA (μmol/L)	484^b± 23	707^a± 42	724^a± 46	521^b± 24	< 0.001

Values are mean ± SE (n = 20).

^{a, b, c, d}Means with different superscripts differ significantly (P < 0.05)