TY - RPRT TI - Characterizing rumination patterns of dairy cows using spectral analysis. AU - K A Beauchemin AU - R G Kachanoski AU - G B Schaalje AU - J G Buchanan-Smith PY - 1990 DO - 10.2527/1990.68103163x UR - https://pubmed.ncbi.nlm.nih.gov/2254194/ ID - 2254194 ER -