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

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

Items GAA, mg/kg SEM P-value
0 500 1000 1500 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 2.55b 2.99ab 3.39a 2.67ab 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
  1. SEM standard error of the mean
  2. Dietary treatments were: basal diet + 0, 500, 1000, and 1500 mg/kg GAA, respectively. n = 6
  3. a, bMean within rows with different letters differ significantly (P < 0.05)
  4. Bold indicates P < 0.05