Metabolizable energy, nitrogen balance, and ileal digestibility of amino acids in quality protein maize for pigs

Table 6 Standardized ileal digestibility of the maize: experiment 2

Traits	QPM¹					Maize			Contrast
	QPM1	334Ce	537Ta	537Ig	538Ta	White	Yellow	SEM²	QPM	Normal	Prob³
Protein	86.7	88.0	88.2	85.7	88.2	86.9	88.1	0.32	87.4	87.5	0.98
Amino acids
Alanine	80.7^ab	80.0^bc	79.4^c	77.1^c	79.4^c	86.1^a	85.8^ab	0.66	79.3	86.0	0.01
Arginine	87.9^ab	82.8^b	88.8^ab	88.2^ab	92.2^a	88.8^ab	90.8^a	0.72	88.0	89.8	0.65
Aspartic acid	85.2	81.9	86.4	82.4	84.0	87.5	86.4	0.61	84.0	86.9	0.06
Cystine	77.1^cd	82.8^ab	73.1^c	79.2^bc	82.1^abc	79.9^abc	88.7^a	0.56	78.9	82.3	0.10
Glutamic acid	88.7^b	88.7^b	88.7^b	87.1^b	88.6^b	91.7^a	91.4a	0.28	88.3	91.6	0.001
Glycine	73.8	74.2	78.3	74.2	72.7	79.7	78.4	0.91	74.6	79.0	0.26
Histidine	92.0^ab	89.5^ab	93.3^a	88.6^b	91.5^ab	92.5^ab	91.3^ab	0.46	91.0	91.9	0.39
Isoleucine	86.3^ab	83.3^b	86.3^ab	76.4^c	85.0^ab	90.3^a	89.0^ab	0.66	83.4	89.7	0.01
Leucine	89.2^bc	89.1^bc	90.2^abc	87.9^c	90.2^abc	94.0^a	94.0^a	0.44	89.3	94.0	0.01
Lysine	88.1	88.2	88.9	85.9	87.5	85.3	86.6	0.72	87.7	85.9	0.18
Methionine	84.4^b	79.7^b	88.7^a	76.4^d	79.8^c	81.1^c	87.1^ab	0.36	81.8	84.1	0.30
Phenylalanine	89.5^bcd	88.4^cd	89.8^bcd	86.0^d	91.3^abc	94.2^a	93.3^ab	0.46	89.0	93.7	0.01
Proline	70.2^c	81.2^abc	86.7^ab	70.3^c	77.5^bc	85.4^ab	92.8^a	1.63	77.2	89.1	0.02
Serine	84.6^ab	82.9^b	86.2^ab	83.6^ab	85.2^ab	89.9^a	88.9^ab	0.70	84.5	89.4	0.03
Threonine	77.7	76.0	80.2	79.2	80.2	84.1	80.4	0.95	78.6	82.3	0.35
Tyrosine	83.2^b	82.5^b	83.4^b	79.8^b	81.1^b	88.8^a	88.7^a	0.57	82.0	89.7	0.001
Valine	86.0^ab	82.3^b	89.1^a	76.6^c	89.1^a	88.5^a	90.4^a	0.58	84.6	89.5	0.02

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