. 2012 Mar 27;3(1):11. doi: 10.1186/2049-1891-3-11

Table 13.

The effect of dietary SID-Lys:ME ratio on plasma metabolites of mixed parity sows (Exp. 2)

Item	SID-Lys:ME ratio, g/Mcal						P-value

	2.1	2.4	2.7	3.0	3.3	SEM	Treat	Linear	Quadratic
Glucose, mmol/L	5.74	5.78	5.30	5.33	5.41	0.26	0.55	0.18	0.55

Plasma urea nitrogen, mmol/L	5.94^b	5.92^b	5.79^b	4.92^a	4.80^a	0.27	< 0.01	< 0.01	0.28

Creatinine, μmol/L	122.3^b	120.1^b	118.8^b	107.6^a	109.8^a	3.19	< 0.01	< 0.01	0.92

Non-esterifide fatty acids, mmol/L	0.53^b	0.53^b	0.50^ab	0.48^a	0.48^a	0.02	0.04	< 0.01	0.95

^{a, b}Within a row, values with no common superscript differ significantly (P < 0.05)