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Table 7 Effects of dietary protein/energy ratio and breed on the plasma biochemical parameters in pigs

From: Effects of dietary protein/energy ratio on growth performance, carcass trait, meat quality, and plasma metabolites in pigs of different genotypes

Item Landrace Bama mini-pig SEM P-value
GB diets NRC diets GB diets NRC diets Breed Diet B × D
Nursery phase         
   ALP, U/L 173.63b 148.88b 235.88a 182.63ab 18.64 0.01 0.04 0.45
   GPT, U/L 62.88 77.75 67.63 81.00 7.94 0.62 0.08 0.92
   GOT, U/L 64.00 89.00 71.50 101.63 14.75 0.50 0.07 0.86
   LDH, U/L 665.50 742.63 654.63 793.00 60.15 0.74 0.08 0.61
   CPK, U/L 1,622.00 2,218.50 1,654.40 1,901.00 347.96 0.68 0.23 0.62
   GGT, U/L 111.00 75.38 66.00 82.63 16.63 0.27 0.57 0.13
   Alb, g/L 31.53 32.31 34.97 34.74 2.14 0.18 0.89 0.81
   TP, g/L 61.92b 68.39ab 64.67ab 71.51a 2.72 0.29 0.02 0.94
   AMM, μmol/L 213.31 113.75 167.10 129.14 34.25 0.66 0.05 0.38
   UN, mmol/L 6.79a 5.86ab 5.06b 5.81ab 0.41 0.04 0.82 0.05
Growing phase         
   ALP, U/L 207.67a 192.33a 123.67b 90.75b 18.00 <0.001 0.24 0.67
   GPT, U/L 99.67a 71.33b 69.50b 72.13b 4.76 0.03 0.31 0.17
   GOT, U/L 92.67 84.83 64.83 63.38 16.26 0.19 0.80 0.86
   LDH, U/L 854.21a 996.22a 490.50b 503.44b 116.31 0.003 0.56 0.62
   CPK, U/L 1,614.50 1,640.00 1,826.30 1,608.00 337.95 0.81 0.80 0.75
   GGT, U/L 120.00a 71.00b 67.33b 72.00b 13.04 0.18 0.26 0.16
   Alb, g/L 48.98a 39.35b 38.65b 37.75b 1.73 0.005 0.01 0.03
   TP, g/L 87.28a 69.82b 84.80a 85.02a 3.52 0.12 0.04 0.03
   AMM, μmol/L 88.02 112.68 96.18 139.16 11.63 0.32 0.06 0.60
   UN, mmol/L 6.52 6.56 5.25 5.42 0.68 0.13 0.89 0.93
Finishing phase         
   ALP, U/L 114.00ab 157.83a 85.60b 117.14ab 13.98 0.05 0.03 0.72
   GPT, U/L 62.80ab 70.00a 51.60b 67.14ab 4.70 0.22 0.05 0.46
   GOT, U/L 46.40 56.33 46.40 46.57 6.06 0.51 0.49 0.50
   LDH, U/L 498.40 551.33 377.80 387.43 49.59 0.03 0.60 0.72
   CPK, U/L 1,974.00a 1,901.30a 1,925.00a 897.10b 267.43 0.11 0.10 0.15
   GGT, U/L 49.80 52.17 51.20 56.43 4.21 0.58 0.46 0.78
   Alb, g/L 39.30 40.30 37.50 39.17 1.26 0.34 0.38 0.82
   TP, g/L 75.88 76.67 82.12 81.94 2.60 0.08 0.92 0.88
   AMM, μmol/L 88.98 97.60 72.64 87.01 11.87 0.35 0.43 0.84
   UN, mmol/L 5.12a 4.03b 4.47ab 5.29a 0.28 0.18 0.38 0.05
  1. a, b, c Mean values with unlike superscript letters were significantly different (P < 0.05). n = 8
  2. GB diets, Chinese conventional diets; B × D, breed × diet interaction; ALP, alkaline phosphatase; GPT, glutamic-pyruvic transaminase; GOT, glutamic-oxaloacetic transaminase; LDH, lactate dehydrogenase; CPK, creatine phosphokinase; GGT, gamma-glutamyl transpeptidase; Alb, albumin; TP, total protein; AMM, blood ammonia; UN, urea nitrogen