TY - RPRT TI - Rumen modeling: rumen input-output balance models. AU - J R Reichl AU - R L Baldwin PY - 1975 DO - 10.3168/jds.s0022-0302(75)84652-2 UR - https://pubmed.ncbi.nlm.nih.gov/1141481/ ID - 1141481 ER -