True Metabolizable Energy and True Amino Acid Availability of an Alfalfa Protein Concentrate (Pro-Xan)

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 1984 English Publisher:Elsevier BVJournal:Poultry Science, volume 63, pages 388-390 (issn: 0032-5791,

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Authors: N.M. DALE; H.L. FULLER; HOBART R. HALLORAN;

doi: 10.3382/ps.0630388

True Metabolizable Energy and True Amino Acid Availability of an Alfalfa Protein Concentrate (Pro-Xan)

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Abstract

Abstract An alfalfa protein concentrate (Pro-Xan) was assayed for proximate composition, true metabolizable energy (TME), nitrogen-corrected TME (TMEn), and true available amino acid (TAAA) content. The sample had a crude protein content of 52.7%, ether extract of 8.4%, crude fiber of 2.9%, ash of 9.2%, moisture of 7.8%, and nitrogen-free extract of 19.0%. Determined TME and TMEn values were 3.28 and 2.97 kcal/g, respectively, on a dry matter basis. With one exception, the true availabilities of 16 amino acids were between 83.6 and 92.3% with an overall average of 86.1%.

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