Alexander, C L Rumen removal rates of some chemically defined fractions of 14-C-labeled alfalfa. [electronic resource] - Journal of animal science Nov 1969 - 746-56 p. digital Publication Type: Journal Article ISSN: 0021-8812 Standard No.: 10.2527/jas1969.295746x doi Subjects--Topical Terms: Animal FeedAnimalsCarbon IsotopesCattle--metabolismCellulose--metabolismMedicago sativaProteins--metabolismRumen--metabolism