PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Agricultural Science Microbiology Veterinary Medicine Peter D Krawczel PeerJ Author Summary Agricultural Science Animal Behavior Past or current institution affiliations University of Tennessee PeerJ Contributions Articles 1 April 29, 2020 Effect of stocking density and effective fiber on the ruminal bacterial communities in lactating Holstein cows Brooke A. Clemmons, Mackenzie A. Campbell, Liesel G. Schneider, Richard J. Grant, Heather M. Dann, Peter D. Krawczel, Phillip R. Myer https://doi.org/10.7717/peerj.9079 PubMed 32391208