R. A. Zinn, E. Alvarez, M. Mendez, M. Montano, E. Ramirez and Y. Shen feedlot cattle Influence of dietary sulfur level on growth performance and digestive function in 1997, 75:1723-1728. J ANIM SCI http://jas.fass.org/content/75/7/1723 the World Wide Web at: The online version of this article, along with updated information and services, is located on www.asas.org by guest on July 13, 2011 jas.fass.org Downloaded from