Oral swabs as a proxy for direct ruminal microbiome sampling in Holstein dairy cows is correlated with sample color oleh Joseph H. Skarlupka, Joseph H. Skarlupka, Madison S. Cox, Madison S. Cox, Andrew J. Steinberger, Andrew J. Steinberger, Dino L. Sbardellati, Jennifer C. McClure, Derek M. Bickhart, Derek M. Bickhart, Andrew J. Scheftgen, Ibrahim Zuniga-Chaves, Luke A. Wolfe, Eric Paget, Charles Skadron, Nithya Attipetty, Garret Suen