Lysine requirement of kittens given purified diets for maximal growth

Summary 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 predic...

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Bibliographic Details
Published in:Journal of animal physiology and animal nutrition 2004-04, Vol.88 (3-4), p.113-116
Main Authors: Morris, J. G., Rogers, Q. R., O'Donnell, J. A.
Format: Article
Language:English
Subjects:
Animal Feed
Animal Nutritional Physiological Phenomena
Animals
Animals, Newborn - growth & development
Cats - growth & development
Cats - metabolism
Dietary Proteins - administration & dosage
Dose-Response Relationship, Drug
Female
Lysine - administration & dosage
Lysine - physiology
Male
Nitrogen - metabolism
Nutritional Requirements
Random Allocation
Specific Pathogen-Free Organisms
Weight Gain - physiology
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Summary:Summary 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.
ISSN:0931-2439
1439-0396
DOI:10.1111/j.1439-0396.2003.00466.x