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Table 4 Effect of the restricted protein diets on the content of ATP, ADP, AMP and EC value in the skeletal muscle of different locations of growing-finishing pigs1

From: Effects of dietary protein restriction on muscle fiber characteristics and mTORC1 pathway in the skeletal muscle of growing-finishing pigs

Parameter, ppm Dietary treatment2 SEM3 P value
AP (16 % CP) MP (13 % CP) LP (10 % CP)
Longissimus dorsi muscle
 ATP 49.56b 172.35a 85.19b 13.41 <0.01
 ADP 312.26 314.65 243.31 24.41 0.10
 AMP 50.30b 65.08ab 87.97a 8.57 0.02
 EC 0.50b 0.60a 0.50b 0.01 <0.01
Psoas major muscle
 ATP 106.54a 59.06b 75.23ab 14.47 0.07
 ADP 189.75 181.14 181.28 16.83 0.92
 AMP 89.57 97.42 113.81 10.24 0.26
 EC 0.52a 0.44b 0.45b 0.01 <0.01
Biceps femoris muscle
 ATP 33.17b 42.45b 67.66a 5.81 <0.01
 ADP 262.07 289.66 280.42 14.77 0.43
 AMP 56.31 57.56 65.84 5.93 0.48
 EC4 0.47b 0.48ab 0.50a 0.01 0.02
  1. 1Means within different superscript letters are significantly different (P < 0.05). n = 6
  2. 2AP = adequate protein; MP = moderately restricted protein; LP = low protein
  3. 3SEM = standard error of mean
  4. 4EC = energy charge. EC was calculated using the following formula: EC = (ATP + 0.5ADP)/(ATP + ADP + AMP)