Moftakharzadeh S A, Moravej H and Shivazad M 2018: Influence of nutrient matrix values application for exogenous enzymes and feeding wheat/barley on performance, gastrointestinal characteristics, viscosity of jejunal digesta, litter moisture and water consumption of broilers. Livestock Research for Rural Development. Volume 30, Article #21. Retrieved , from http://www.lrrd.org/lrrd30/2/moft30021.html