Thus a study was designed to examine if significant levels of canola meal and DDGS can be used in market turkey diets and to determine which amino acids (tryptophan, isoleucine, arginine) may limit performance with diets containing canola and DDGS. Nicholas male poults were placed in starting pens at one day of age and reared to 5 weeks of age. Poults were fed a pre-experimental diet designed for best rate of gain. At 5 weeks of age the birds were randomly distributed into 98 pens with 10 birds per pen. Room temperature at 5 wks was.