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Dairy Sci."},{"key":"10.3168\/jds.2020-18776_bib49","doi-asserted-by":"crossref","first-page":"660","DOI":"10.2527\/jas.2007-0039","article-title":"Nitrogen transactions along the gastrointestinal tract of cattle: A meta-analytical approach","volume":"86","author":"Marini","year":"2008","journal-title":"J. Anim. Sci."},{"key":"10.3168\/jds.2020-18776_bib50","doi-asserted-by":"crossref","first-page":"670","DOI":"10.1093\/jas\/sky018","article-title":"Dietary protein reduction on microbial protein, amino acid digestibility, and body retention in beef cattle: 2. Amino acid intestinal absorption and their efficiency for whole-body deposition","volume":"96","author":"Mariz","year":"2018","journal-title":"J. Anim. 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Dairy Sci."},{"key":"10.3168\/jds.2020-18776_bib71","doi-asserted-by":"crossref","first-page":"172","DOI":"10.2527\/jas.2005-742","article-title":"Invited review: Amino acid bioavailability and digestibility in pig feed ingredients: Terminology and application","volume":"85","author":"Stein","year":"2007","journal-title":"J. Anim. Sci."},{"key":"10.3168\/jds.2020-18776_bib72","doi-asserted-by":"crossref","first-page":"1768","DOI":"10.3168\/jds.S0022-0302(58)91161-5","article-title":"Development of rumination in the young calf","volume":"41","author":"Swanson","year":"1958","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2020-18776_bib73","doi-asserted-by":"crossref","first-page":"3583","DOI":"10.3168\/jds.S0022-0302(91)78551-2","article-title":"Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition","volume":"74","author":"Van Soest","year":"1991","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2020-18776_bib74","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1046\/j.1439-0442.2002.00429.x","article-title":"Studies on the pH value of abomasal contents in dairy cows during the first 3 weeks after calving","volume":"49","author":"Van Winden","year":"2002","journal-title":"J. Vet. Med. A Physiol. Pathol. Clin. Med."},{"key":"10.3168\/jds.2020-18776_bib75","doi-asserted-by":"crossref","first-page":"2742","DOI":"10.3168\/jds.S0022-0302(93)77611-0","article-title":"Postweaning age effects on rumen fermentation end-products and digesta kinetics in calves weaned at 5 weeks of age","volume":"76","author":"Vazquez-Anon","year":"1993","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2020-18776_bib76","doi-asserted-by":"crossref","first-page":"479","DOI":"10.1080\/17450390903169211","article-title":"Comparison of different methods for determination of the duodenal and ileal flows of endogenous nitrogen and amino acids in growing goats","volume":"63","author":"Zhou","year":"2009","journal-title":"Arch. Anim. Nutr."},{"key":"10.3168\/jds.2020-18776_bib77","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1080\/09712119.2008.9706915","article-title":"Estimation of endogenous nitrogen and amino acids flow at the duodenum and ileum in growing goats fed on different NDF level diets","volume":"33","author":"Zhou","year":"2008","journal-title":"J. Appl. Anim. 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