Lysine requirement of kittens given purified diets for maximal growth

James Morris, Quinton Rogers, J. A. O'Donnell

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Three experiments were conducted using a total of 15 male and 15 female weaned specific pathogen-free kittens given amino acid-based purified diets containing varying concentrations of lysine (from 4.0 to 11.3 g/kg diet) in a Latin square design of 10 day periods. In experiment 1, the predicted lysine requirement was 7.7 g/kg diet, and in experiments 2 and 3, maximal weight gain occurred at 8.0 g lysine/kg diet. In experiment 3, nitrogen balance was not different for kittens given diets containing 8.0 and 9.0 g lysine/kg. These experiments support a requirement of 8.0 g lysine (free base)/kg diet, in a diet with a calculated metabolizable energy value of 4.7 kcal/g.

Original languageEnglish (US)
Pages (from-to)113-116
Number of pages4
JournalJournal of Animal Physiology and Animal Nutrition
Issue number3-4
StatePublished - Jan 1 2004

ASJC Scopus subject areas

  • Food Animals
  • Animal Science and Zoology


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