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Table 5 Blood profiles of finishing pigs fed low protein diet supplemented with different amino acids (n = 6)

From: Effect of different dietary protein levels and amino acids supplementation patterns on growth performance, carcass characteristics and nitrogen excretion in growing-finishing pigs

Item HCP MCP (−2 %) LCP(−4 %) P 1 P 2
10 EAAs 10 EAAs 10 EAAs Lys, Met, Thr,
Trp
Lys, Met,Thr,
Trp, Ile
Lys, Met, Thr,
Trp, Val
Lys, Met, Thr,
Trp, Ile, Val
SUN, mmol/L 7.35 ± 0.38x 4.62 ± 0.20y 3.98 ± 0.33y 4.74 ± 0.38 3.94 ± 0.28 4.15 ± 0.43 4.56 ± 0.55 <  0.01 0.51
ALB, g/L 40.78 ± 1.71 41.19 ± 2.15 43.89 ± 2.84 41.29 ± 2.73 41.26 ± 2.01 43.50 ± 2.75 41.1 ± 3.95 0.59 0.92
TP, g/L 57.92 ± 1.45 58.94 ± 1.19 60.11 ± 2.17 56.28 ± 1.88 57.35 ± 1.05 59.26 ± 2.16 62.56 ± 1.14 0.66 0.17
NH3-N, mg/L 40.64 ± 1.96 34.29 ± 3.05 35.09 ± 1.19ab 37.33 ± 1.46a 31.75 ± 0.77b 36.73 ± 1.41a 35.36 ± 1.32ab 0.13 0.01
  1. SUN, Serum urea nitrogen; ALB, Albumin; TP, Total protein.
  2. P1 represented the P value of ANOVA among the HCP diet, MCPdiet and LCP diet with balancing 10 EAAs.
  3. P2 represented the P value of ANOVA among different amino acid balanced patterns of the LCP diets groups.
  4. a,bSuperscripts indicated differences among different amino acid balanced patterns of LCP diets groups.
  5. x,ySuperscripts indicate differences among different levels of dietary protein