Table 7.

Slurry NH₃ emission of growing-finishing pigs fed low protein diet supplemented with different amino acids (n = 6)

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

P₁ represented the P value of ANOVA among the HCP diet, MCPdiet and LCP diet with balancing 10 EAAs.

P₂ represented the P value of ANOVA among different amino acid balanced patterns of the LCP diets groups.

^x,y,zSuperscripts indicate differences among different levels of dietary protein