Table 3.

Effects of guanidinoacetic acid on lipoprotein levels in ducks.

Items	CG	GA400	GA600	GA800	p-value
Liver
HDL, mmol/L	1.90 ± 0.03b	1.94 ± 0.01b	1.94 ± 0.01b	2.21 ± 0.02a	0.0356
LDL, mmol/L	2.60 ± 0.12a	2.61 ± 0.12a	1.71 ± 0.10b	1.44 ± 0.12c	0.0419
Apo-A1, g/L	0.12 ± 0.01b	0.13 ± 0.01b	0.16 ± 0.01a	0.12 ± 0.01b	0.0125
Apo-B, g/L	0.85 ± 0.03a	0.80 ± 0.01b	0.77 ± 0.01c	0.73 ± 0.01d	0.0256
Breast muscles
HDL, mmol/L	1.62 ± 0.03d	1.70 ± 0.02c	1.92 ± 0.02b	2.13 ± 0.03a	0.0251
LDL, mmol/L	1.76 ± 0.11a	1.54 ± 0.03b	1.35 ± 0.03c	1.34 ± 0.01c	0.0357
Apo-A1, g/L	0.15 ± 0.01c	0.15 ± 0.01c	0.19 ± 0.01b	0.22 ± 0.01a	0.0489
Apo-B, g/L	0.75 ± 0.01a	0.66 ± 0.01b	0.66 ± 0.01b	0.60 ± 0.01c	0.0457

^a,b,c,dMeans within a row with no common superscripts differ significantly (p < 0.05). HDL, high density lipoprotein; LDL, low density lipoprotein; Apo-A1, apolipoprotein-A1; Apo-B, apolipoprotein-B.