Table 7. Effect of feed form and enzyme supplementation to broiler chickens on digestibility of indispensable amino acids

Feed form	Enzyme	Arg	His	Ile	Leu	Ly	Met	Thr	Phe	Val
Mash	No enzyme	0.88^d	0.80^d	0.78^d	0.67^d	0.83^c	0.91^c	0.76^d	0.83^d	0.79^bc
	AXB	0.92^abc	0.82^cd	0.84^abc	0.75^abc	0.88^ab	0.94^ab	0.83^abc	0.89^abc	0.83^ab
	QB	0.91^c	0.83^bcd	0.82^bcd	0.68^cd	0.86^bc	0.92^bc	0.80^cd	0.86^c	0.78^c
	AXB + QB	0.92^abc	0.81^d	0.81^cd	0.72^bcd	0.87^ab	0.93^ab	0.83^abc	0.87^bc	0.80^bc
Pellet	No enzyme	0.91^bc	0.86^abc	0.83^abc	0.74^abc	0.90^a	0.93^ab	0.81^bc	0.88^abc	0.82^abc
	Axtra XB	0.92^abc	0.87^ab	0.88^a	0.79^a	0.98^ab	0.95^a	0.87^a	0.90^a	0.86^a
	QB	0.93^ab	0.86^abc	0.87^a	0.78^ab	0.89^ab	0.93^b	0.84^ab	0.89^ab	0.86^a
	AXB + QB	0.93^a	0.88^a	0.86^ab	0.77^ab	0.90^a	0.94^ab	0.86^a	0.90^a	0.87^a
SEM		0.003	0.005	0.006	0.008	0.004	0.002	0.005	0.004	0.006
Significance
Feed form		0.001	0.001	0.001	0.001	0.001	0.002	0.001	0.001	0.001
Enzyme		0.001	0.040	0.001	0.001	0.044	0.001	0.001	0.001	0.008
Feed form x enzyme		0.189	0.141	0.665	0.182	0.007	0.153	0.395	0.040	0.062

Means that do not share a letter superscript within the columns are significantly different (p < 0.05).
Values are means of 6 replicates (10 birds per replicate).
AXB, axtra XB (xylanase and beta-glucanase composite); QB, quantum blue (phytase); SEM, standard error of the mean.