1. Two-choice feeding of the male turkey from 50 d of age was investigated using pelleted barley and a turkey starter diet, whole barley and the starter diet, a ground barley-based turkey finisher diet and the starter diet, pelleted barley and a series of complete diets and compared with feeding the series of complete diets alone. 2. For turkeys on the first four treatments on average 21%, 21%, 42% and 5% by weight, respectively, of food consumed was the barley alternative. 3. There were no significant differences in final body weight between turkeys on choice treatments and those receiving the series of complete diets alone.