The effects of dietary cellulose level at various ambient temperatures on the voluntary feed intake of four-week-old chicks were studied. Cellulose (as Solka Floc) was added to a basal diet at levels of 10, 20, and 30% in trial 1 and 15, 30 and 45% in trial 2. The addition of graded increments of cellulose elicited a linear increase (P