%0 Conference Proceedings %T Effect of substitution barley grain with dried sugar beet pulp on ruminal pH and ammonia nitrogen concentration of Holstein steers %A Danesh Mesgaran, Mohsen %A Mojtahedi, Mohsen %A Heravi Moussavi, Alireza %A Tahmasbi, Abdol Mansour %J British Society of Animal Science 2009 %D 2009