Determination of basal ileal endogenous losses and standardized ileal digestibility of amino acids in barley fed to growing pigs

Table 5 Standardized ileal digestibility (SID) of crude protein (CP) and amino acids (AA; %) and basal ileal endogenous losses (IAA_end; g/kg dry matter intake) in the barley genotypes (n = 68)

Item	SID ± SEM	P-value^*	IAA_end ± SEM	P-value^**
CP	90 ± 0.8	<0.001	35.34 ± 9.91	0.001
Indispensable AA
Arg	93 ± 0.6	<0.001	1.22 ± 0.35	0.001
His	83 ± 0.7	<0.001	0.34 ± 0.16	0.040
Ile	93 ± 0.6	<0.001	1.10 ± 0.22	<0.001
Leu	86 ± 0.5	<0.001	1.29 ± 0.39	0.002
Lys	79 ± 0.9	<0.001	1.08 ± 0.35	0.003
Met	85 ± 0.5	<0.001	0.25 ± 0.09	0.009
Phe	92 ± 0.4	<0.001	1.27 ± 0.21	<0.001
Thr	79 ± 1.0	<0.001	1.02 ± 0.40	0.013
Trp	86 ± 0.7	<0.001	0.38 ± 0.10	0.001
Val	83 ± 0.6	<0.001	0.89 ± 0.35	0.013
Dispensable AA
Ala	77 ± 1.2	<0.001	1.18 ± 0.55	0.037
Asp	81 ± 1.0	<0.001	1.86 ± 0.64	0.005
Cys	87 ± 0.4	<0.001	0.43 ± 0.11	<0.001
Glu	94 ± 0.4	<0.001	3.44 ± 0.99	0.001
Gly	84 ± 1.4	<0.001	2.05 ± 0.64	0.002
Pro	95 ± 0.7	<0.001	3.35 ± 0.84	<0.001
Ser	91 ± 0.9	<0.001	1.35 ± 0.45	0.004

*P-values of the estimates for the slope of the regression equations; ^** P-values of the estimates for the intercepts of the regression equation

ISSN: 2049-1891