Table 3.

Effects of dietary treatments on broiler performance in starter period of feeding ¹, 1–21 d of age.

Treatments	Body Weight Gain (g)	Feed Intake (g)	Feed Conversion Ratio (g/g)
Rye dietary level (%):
0	965 a	1280	1.33
5	933 b	1256	1.35
10	936 b	1256	1.34
15	949 ab	1268	1.34
20	928 b	1247	1.35
Xylanase supplementation:
No	930 a	1271	1.37 a
Yes	954 b	1252	1.31 b
SEM	4.25	6.39	0.007
p-value
Rye	0.007	0.497	0.807
Xylanase	0.001	0.134	0.0001
Interaction	0.007	0.208	0.208

Means of seven replicates of eight chickens kept in one cage. ^{a, b}—the values with different letters differ significantly (p ≤ 0.05).