Harrison, D G Estimation of food and microbial protein in duodenal digesta. [electronic resource] - The Proceedings of the Nutrition Society Sep 1972 - 60A-61A p. digital Publication Type: Journal Article ISSN: 0029-6651 Subjects--Topical Terms: AnimalsBacterial Proteins--analysisDietary Proteins--analysisDuodenumEukaryotaMethodsProteins--analysisRumen--microbiologySheep--metabolismSulfur Isotopes