Effect of concentration of some dietary amino acids and proteinon plasma urea nitrogen concentration in growing kittens

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Abstract

The effect of various levels of leucine, isoleucine, tryptophan, histidine and phenylalanine with and without tyrosine in isonitrogenous purified amino acid-based diets on plasma urea nirogen (PUN) of growing kittens was examined. In addition, the effect of various levels of nitrogen supplied as amino acids or as a mixture of amino acids and protein on PUN was measured. PUN was not a useful predictor of the concentration of an amino acid that maximized either growth or nitrogen balance. Intake of nitrogen was highly correlated with PUN and accounted for 96% of the variation in PUN.

Original languageEnglish (US)
Pages (from-to)1689-1696
Number of pages8
JournalJournal of Nutrition
Volume117
Issue number10
DOIs
StatePublished - Jan 1 1987

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

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