Guanidine acetic acid supplementation altered plasma and tissue free amino acid profiles in finishing pigs

Table 2 Effects of guanidinoacetic acid (GAA) on absolute weight, relative weight, and crude protein of tissue in finishing pigs

Items	GAA, mg/kg				SEM	P-value
Items	0	500	1000	1500	SEM	ANOVA	Linear	Quadratic
Weight, g
Liver	1563.9	1662.7	1746.3	1637.4	99.1	0.678	0.525	0.335
Kidney	331.1	390.4	416.4	348.5	24.4	0.123	0.608	0.024
Pancreas	146.2	137.9	148.3	158.8	9.4	0.494	0.266	0.334
Heart	471.0	472.7	462.1	477.3	24.4	0.961	0.928	0.745
Spleen	218.5	194.2	208.9	201.0	14.3	0.690	0.577	0.588
Relative weight, g/kg body weight
Liver	12.15	12.73	14.15	12.56	0.74	0.335	0.464	0.186
Kidney	2.55^b	2.99^ab	3.39^a	2.67^ab	0.19	0.044	0.509	0.011
Pancreas	1.13	1.06	1.22	1.22	0.08	0.440	0.253	0.660
Heart	5.09	5.05	4.91	5.00	0.20	0.934	0.668	0.759
Spleen	1.70	1.49	1.71	1.54	0.13	0.550	0.664	0.878
Crude protein, % dry tissue
Liver	68.63	69.05	72.25	69.52	2.19	0.665	0.563	0.490
Kidney	73.12	73.44	75.09	71.79	1.01	0.296	0.758	0.141
Pancreas	62.85	61.37	68.64	63.03	3.65	0.554	0.649	0.590
Heart	71.00	71.51	70.99	70.32	1.09	0.901	0.614	0.602
Spleen	70.21	70.42	70.03	69.25	1.15	0.901	0.538	0.675

SEM standard error of the mean
Dietary treatments were: basal diet + 0, 500, 1000, and 1500 mg/kg GAA, respectively. n = 6
^{a, b}Mean within rows with different letters differ significantly (P < 0.05)
Bold indicates P < 0.05

ISSN: 2055-5660