Intraperitoneal injections of tryptophan inhibit food intake in the fowl

The effects of intraperitoneal injections of tryptophan on food intake in the chicken were examined. Four levels of tryptophan (12.5, 25, 50, 100 mg), and a saline control were tested in birds that were ad libitum fed or fasted 24 hr. The tryptophan treatments decreased food intake in the ad libitum...

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Bibliographic Details
Published in:Poultry science 1986-04, Vol.65 (4), p.786-788
Main Authors: Lacy, M P, Van Krey, H P, Skewes, P A, Denbow, D M
Format: Article
Language:English
Subjects:
Animals
Chickens
Dose-Response Relationship, Drug
Feeding Behavior - drug effects
Injections, Intraperitoneal
Time Factors
Tryptophan - administration & dosage
Tryptophan - pharmacology
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Summary:The effects of intraperitoneal injections of tryptophan on food intake in the chicken were examined. Four levels of tryptophan (12.5, 25, 50, 100 mg), and a saline control were tested in birds that were ad libitum fed or fasted 24 hr. The tryptophan treatments decreased food intake in the ad libitum-fed chickens in a dose-dependent manner. Food intake of the 24-hr fasted chickens was not influenced by the tryptophan injections. It is not known whether tryptophan is acting centrally or peripherally to decrease food intake of ad libitum-fed chickens.
ISSN:0032-5791
DOI:10.3382/ps.0650786