Table 7. Digestibility of non-essential amino acids according to dietary crude protein and additional Phytase levels

Treatments		ALA (%)	ASP (%)	CYS (%)	GLU (%)	GLY (%)	PRO (%)	SER (%)	TYR (%)
CP (%)	Phytase (FTU/kg)	ALA (%)	ASP (%)	CYS (%)	GLU (%)	GLY (%)	PRO (%)	SER (%)	TYR (%)
20	1,000	70.3^a	81.9^a	68.4	88.4^a	62.9^ab	80.6^ab	83.5^ab	80.9
	800	60.5^b	74.7^bc	66.1	83.4^cd	49.7^c	73.2^c	76.9^bcd	76.2
	500	71.7^a	81.4^a	73.4	87.2^abc	62.6^ab	80.8^ab	81.2^abc	81.0
19	1,000	65.7^ab	78.5^abc	73.0	87.7^ab	63.3^ab	81.6^ab	82.1^abc	81.0
	800	72.6^a	80.7^ab	72.6	87.5^ab	66.8^a	83.2^a	82.6^ab	81.9
	500	70.0^a	81.1^a	71.7	87.6^ab	63.0^ab	79.7^abc	82.4^ab	81.3
18	1,000	59.0^b	73.1^c	71.3	83.8^bcd	52.3^bc	75.1^bc	75.8^cd	76.3
	800	70.0^a	81.1^a	71.7	87.6^ab	63.0^ab	79.7^abc	82.4^ab	81.3
	500	70.7^a	81.2^a	74.0	87.9^ab	66.8^a	81.9^ab	83.8^a	82.4
SEM¹		5.66	3.98	4.45	2.57	7.54	4.55	4.09	3.87
Crude protein
20		67.5	79.3	69.3	86.3	58.4	78.2	80.5	79.3
19		69.4	80.1	72.4	87.6	64.3	81.5	82.3	81.4
18		63.7	75.6	70.7	84.8	57.4	76.7	78.1	77.9
SEM³		6.89	4.81	4.79	2.99	8.79	5.23	4.73	4.23
Phytase
1,000		65.0	77.8^ab	70.9	86.6^ab	59.5	79.1	80.4	79.4
800		64.8	76.0^b	68.5	84.5^b	56.6	76.5	78.1	77.7
500		70.8	81.2^a	73.0	87.6^a	64.1	80.8	82.5	81.5
SEM²		6.72	4.71	4.58	2.93	8.78	5.32	4.71	4.17
P-Value
Crude protein		0.13	0.06	0.29	0.08	0.13	0.09	0.11	0.14
Phytase		0.06	<0.05	0.07	<0.05	0.12	0.16	0.09	0.09
Phytase × CP		<0.01	<0.01	0.13	<0.05	<0.05	<0.05	<0.05	0.06

SEM, standard error of means (n = 36).
SEM, standard error of means (n = 12).
SEM, standard error of means (n = 12).
Means in same rows with different superscripts are significantly different (P<0.01, P<0.05).