. 2020 Apr 12;34(6):1049–1060. doi: 10.5713/ajas.19.0885

Table 6.

Effect of diets containing different levels of phytase, xylanase, and β-glucanase on jejunual protein concentration (mg/g tissue) and enzyme activities (μmol/mg protein/min) in jejunum (24 days of age)

Phytase levels	Xylanase levels	β-Glucanase levels	Protein	Maltase	Sucrase	AP	APP
None	None	None	83.3	0.56	0.06	0.26	1.25
	Optimum	None	93.2	0.61	0.05	0.19	1.13
	None	Optimum	89.2	0.65	0.05	0.25	1.24
	Optimum	Optimum	83.7	0.58	0.06	0.26	1.19
Low	None	None	87.5	0.59	0.06	0.25	1.44
	Optimum	None	84.6	0.53	0.06	0.29	1.27
	None	Optimum	88.2	0.60	0.06	0.25	1.36
	Optimum	Optimum	81.7	0.60	0.06	0.29	1.39
Superdose	None	None	111.5	0.50	0.06	0.21	1.10
	Optimum	None	113.3	0.48	0.06	0.22	1.02
	None	Optimum	122.6	0.46	0.06	0.24	1.03
	Optimum	Optimum	111.4	0.48	0.06	0.25	1.11
SEM			2.97	0.01	0.001	0.01	0.03
Main effects
None			87.4^b	0.60^a	0.05^b	0.24	1.20^b
Low			85.5^b	0.58^a	0.06^a	0.27	1.37^a
Superdose			114.7^a	0.48^b	0.06^ab	0.23	1.06^b
	None		97.0	0.56	0.06	0.24	1.24
	Optimum		94.6	0.55	0.06	0.25	1.18
		None	95.6	0.54	0.06	0.24	1.20
		Optimum	96.1	0.56	0.06	0.26	1.22
Source of variation
Phytase			0.001	0.001	0.04	0.38	0.001
Xylanase			0.66	0.53	0.67	0.83	0.29
β-Glucanase			0.92	0.42	0.86	0.37	0.68
Phytase × xylanase			0.83	0.83	0.98	0.49	0.77
Phytase × β-glucanase			0.87	0.54	0.87	0.86	0.99
Xylanase × β-glucanase			0.33	0.73	0.30	0.67	0.16
Phytase × xylanase × β-glucanase			0.90	0.20	0.56	0.75	0.88

Values are means of 6 replicates (one bird per cage).

AP, alkaline phosphatase; APP, aminopeptidase; SEM, standard error of means.

^a,b

Mean values with different superscripts within the columns are different (p<0.05).