All diets
met or exceeded the nutrient requirements of pullets
as recommended by the Fundaci´on Espa˜nola Desarrollo
Nutrici´on Animal (2008) but feeds that included
a fiber source had more dietary fiber, and slightly less
AMEn and CP, than the control feed. All diets contained
a commercial enzyme complex with xylanase and
β-glucanase activities (Roxazyme, DSM S.A., Madrid,
Spain).