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Table 7 Slurry NH3 emission of growing-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
0 h, mg/m 3
 Phase I 50 kg 95.06 ± 17.13x 65.05 ± 12.99xy 33.06 ± 9.06y 37.37 ± 7.13 29.43 ± 8.37 31.11 ± 13.76 37.36 ± 9.50 0.02 0.96
 Phase II 75 kg 23.43 ± 3.60x 9.43 ± 1.99y 8.65 ± 1.05y 9.44 ± 1.15 9.86 ± 2.32 8.89 ± 2.33 9.25 ± 1.79 <  0.01 0.89
 Phase III 100 kg 19.98 ± 4.39x 8.45 ± 1.12y 4.39 ± 0.61y 4.12 ± 0.36 4.83 ± 0.63 4.01 ± 1.79 2.85 ± 0.58 <  0.01 0.66
 Phase IV 125 kg 30.48 ± 8.43x 15.26 ± 4.01xy 7.25 ± 2.10y 9.29 ± 1.82 5.51 ± 2.01 9.27 ± 1.39 10.76 ± 1.36 0.03 0.28
4 h, mg/m 3
 Phase I 50 kg 275.44 ± 23.37x 156.01 ± 26.53y 75.51 ± 16.85z 66.67 ± 9.44 66.53 ± 17.32 67.99 ± 15.99 78.09 ± 10.47 <  0.01 0.96
 Phase II 75 kg 189.89 ± 28.81x 62.94 ± 14.14y 43.72 ± 5.79y 54.17 ± 11.87 54.99 ± 13.27 49.06 ± 7.82 54.86 ± 11.74 <  0.01 0.92
 Phase III 100 kg 118.81 ± 18.67x 57.71 ± 6.59y 32.39 ± 5.49y 28.44 ± 4.08 28.13 ± 2.92 27.82 ± 4.64 33.25 ± 2.66 <  0.01 0.81
 Phase IV 125 kg 154.60 ± 25.74x 78.74 ± 6.93y 42.71 ± 3.54y 50.55 ± 7.87 44.93 ± 5.82 42.69 ± 3.92 47.52 ± 7.04 <  0.01 0.86
  1. P1 represented the P value of ANOVA among the HCP diet, MCPdiet and LCP diet with balancing 10 EAAs.
  2. P2 represented the P value of ANOVA among different amino acid balanced patterns of the LCP diets groups.
  3. x,y,zSuperscripts indicate differences among different levels of dietary protein