1. Introduction
Alternative ingredients such as wheat by-products from dry milling of wheat are increasingly included in swine diets to
reduce feed cost (Zijlstra and Beltranena, 2012; Rosenfelder et al., 2013; Woyengo et al., 2014). Wheat milling by-products
used in the feed industry are marketed as wheat millrun or wheat middlings (Slominski et al., 2004). The nutritional value