Document Detail

Preliminary study: voluntary food intake in dogs during tryptophan supplementation.
MedLine Citation:
PMID:  22005418     Owner:  NLM     Status:  In-Data-Review    
Tryptophan, a precursor of important molecules such as serotonin, melatonin and niacin, is an essential amino acid for dogs. In pigs, tryptophan supplementation has been shown to induce a significant increase in food intake. The aim of the present study was to assess whether long-term tryptophan supplementation increases voluntary food intake in dogs and to observe whether this was accompanied by a change in serum ghrelin. In the present study, sixteen adult Beagle dogs were used, with four male and four female dogs fed diets supplemented with tryptophan (1 g/dog per d) during 81 d (Trp) and four male and four female dogs that were not supplemented (control). A voluntary food intake test was performed during 5 d following the supplementation period. The Trp group tended to show a higher food intake during the voluntary food intake test (58·0 (se 5·37) v. 77·5 (se 3·65) g/kg metabolic weight per d; P = 0·074). No significant differences were found for serum ghrelin concentrations.
Víctor Fragua; Gemma González-Ortiz; Cecilia Villaverde; Marta Hervera; Valentina Maria Mariotti; Xavier Manteca; María Dolores Baucells
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The British journal of nutrition     Volume:  106 Suppl 1     ISSN:  1475-2662     ISO Abbreviation:  Br. J. Nutr.     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372547     Medline TA:  Br J Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  S162-5     Citation Subset:  IM    
Animal Nutrition, Management and Welfare Research Group, Department of Animal and Food Science, Universitat Autònoma de Barcelona, Campus UAB, 08193 Cerdanyola, Spain.
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