@article{oai:rakuno.repo.nii.ac.jp:00000372,
 author = {IZUMI, Kenichi and 泉, 賢一 and UNNO, Chigusa},
 journal = {Animal Science Journal},
 month = {Apr},
 note = {Article},
 pages = {180--186},
 title = {Effects of feeding ratio of beet pulp to alfalfa hay or grass hay on ruminal mat characteristics and chewing activity in Holstein dry cows},
 volume = {81},
 year = {2010}
}