Proportions of time spent in the home pens Inactive (Standing, Sitting, Sleeping), Walking, Foraging, Feeding, Drinking and Preening for the 4 feed treatments. Proportions are back-transformed means±SEMs estimated from GLMMs with logit link. Letters indicate where feed treatment differences lie for each behavior, with means in ascending order a, b, c, .... Treatments sharing a letter do not differ significantly from each other.