Summary of the characteristics 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. Data show mean, standard error (SE), and range of crude protein (CP), acid detergent fiber (ADF), and neutral detergent fiber (NDF) in grams (measured from rumen contents) with respect to sex and across an array of age classes. N/A  =  not applicable, BM  =  average body mass. Nutritional components (CP, ADF, NDF) are in grams per rumen.