Table 2.

Effects of backfat thickness of sows at 109 d of gestation on lipid levels in sow and umbilical cord plasma

Item	Backfat thickness (mm) of sows at 109 d of gestation						SEM	P-value
	≤16	17–18	19–20	21–22	23–24	≥25		L	Q
Sows plasma
Number of sows, n	30	35	40	45	40	55
Triglyceride, mmol/L	0.26	0.29	0.29	0.31	0.29	0.28	0.04	0.42	0.68
Cholesterol, mmol/L	1.07	1.09	1.03	1.26	1.46	1.36	0.01	0.03	0.13
HDL-C, mmol/L	0.30	0.31	0.32	0.33	0.48	0.43	0.01	0.04	0.14
LDL-C, mmol/L	0.62	0.61	0.59	0.61	0.63	0.62	0.02	0.55	0.44
FFA, ng/mL	55.56	57.40	60.03	61.54	64.64	73.70	3.03	0.03	0.36
umbilical cord plasma
Number of piglet, n	95	110	130	140	135	165
Triglyceride, mmol/L	0.32	0.35	0.36	0.35	0.30	0.30	0.01	0.29	0.11
Cholesterol, mmol/L	0.89	0.91	0.90	0.97	1.25	1.21	0.04	0.02	0.30
HDL-C, mmol/L	0.29	0.33	0.32	0.33	0.35	0.34	0.02	0.04	0.13
LDL-C, mmol/L	0.24	0.26	0.27	0.24	0.40	0.48	0.02	0.08	0.24
FFA, ng/mL	52.33	56.61	57.64	52.84	61.69	76.51	3.58	0.03	0.47

HDL-C, low-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; FFA, free fatty acid.