PMID: 6412742Sep 1, 1983Paper

Determination of amino acid requirements of young pigs using an indicator amino acid

The British Journal of Nutrition
K I KimH S Bayley

Abstract

Mixtures of skim milk and free amino acids were compared as diets for pigs which would allow manipulation of dietary amino acid levels. Piglets gained 208 g/d between 3 and 14 d of age on the skim-milk diet, but replacement of 600 g/kg of the dietary nitrogen with free amino acids reduced growth rate to 148 g/d. Supplementation of a lysine-deficient diet with lysine reduced the catabolism of [14C]phenylalanine showing that phenylalanine catabolism could be used as an indicator of the adequacy of diet with respect to another essential amino acid. The dietary level of phenylalanine which would provide an excess for catabolism by the piglet was estimated directly by measuring the influence of dietary phenylalanine level on [14C]phenylalanine oxidation. Reduction of the dietary phenylalanine level below 7 g/kg had no effect on phenylalanine oxidation, whereas increasing the dietary phenylalanine level above 7 g/kg resulted in a linear increase in phenylalanine oxidation. An indirect estimate of histidine requirement was made by examining the influence of dietary histidine level on [14C]phenylalanine oxidation. In diets containing more than 4 g histidine/kg, phenylalanine oxidation was minimal. In diets containing less than 4 g hist...Continue Reading

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Citations

Apr 1, 1993·Physiology & Behavior·M E Murphy, S D Pearcy
Oct 31, 2012·The British Journal of Nutrition·Rajavel ElangoPaul B Pencharz
Sep 1, 1983·The British Journal of Nutrition·K I Kim, H S Bayley
May 1, 1986·The British Journal of Nutrition·R O Ball, H S Bayley
May 1, 1986·The British Journal of Nutrition·R O BallH S Bayley
Mar 11, 2003·Annual Review of Nutrition·Paul B Pencharz, Ronald O Ball
Jun 9, 2015·Journal of Nutritional Science and Vitaminology·Aki OgawaYasuhiro Kido
Sep 1, 1987·JPEN. Journal of Parenteral and Enteral Nutrition·D M Bier, V R Young
Dec 20, 2007·Current Opinion in Clinical Nutrition and Metabolic Care·Rajavel ElangoPaul B Pencharz
Nov 24, 1999·Current Opinion in Clinical Nutrition and Metabolic Care·J A BruntonP B Pencharz
Oct 28, 1999·The Journal of Nutrition·N TorresA R Tovar
Jan 22, 2008·The Journal of Nutrition·Rajavel ElangoPaul B Pencharz
Mar 4, 2000·The American Journal of Clinical Nutrition·D C WilsonP B Pencharz
Sep 2, 2003·The Journal of Nutrition·Russell A ColemanDoug R Korver
Aug 15, 2013·Journal of Animal Science·E Kampman-van de HoekJ J G C van den Borne
May 3, 2001·The American Journal of Clinical Nutrition·A V KurpadV R Young
Apr 1, 1993·The American Journal of Physiology·G A ZelloR O Ball
Jan 18, 2021·Journal of Dairy Science·H LapierreD R Ouellet
Jan 1, 1986·Comparative Biochemistry and Physiology. A, Comparative Physiology·K R Dabrowski

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