Models analyzed using AIC_c and competing models (bold) for the response variables of crude protein (CP), acid detergent fiber (ADF), and neutral detergent fiber (NDF) from digesta of white-tailed deer Odocoileus virginianus sampled during September, November, and December 2009 and 2010 in a 2,628-ha enclosure at Kerr Wildlife Management Area, Kerr County, Texas, USA.