Works (2)
Updated: July 5th, 2023 15:45
2012 journal article
Dietary L-Tryptophan Supplementation with Reduced Large Neutral Amino Acids Enhances Feed Efficiency and Decreases Stress Hormone Secretion in Nursery Pigs under Social-Mixing Stress
JOURNAL OF NUTRITION, 142(8), 1540–1546.
MeSH headings : Adaptation, Physiological; Aggression; Amino Acids / administration & dosage; Amino Acids / pharmacology; Animal Feed / analysis; Animals; Diet / veterinary; Dietary Supplements; Energy Metabolism / drug effects; Hydrocortisone / chemistry; Hydrocortisone / metabolism; Hypothalamus / chemistry; Hypothalamus / metabolism; Male; Malondialdehyde / metabolism; Motor Activity; Saliva / chemistry; Social Behavior; Stress, Physiological / physiology; Swine / physiology; Tryptophan / administration & dosage; Tryptophan / pharmacology
TL;DR:
It is indicated that reducing LNAA in the diet can facilitate the effect of L-Trp on the stress response of pigs and enhance the improvement of feed efficiency by L- Trp supplementation.
(via Semantic Scholar)
open access via academic.oup.com (publisher PDF)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2012 journal article
Effects of increasing tryptophan intake on growth and physiological changes in nursery pigs
Journal of Animal Science, 90(7), 2264–2275.
author keywords: growth; nursery pigs; serotonin; stress; tryptophan
MeSH headings : Aggression / drug effects; Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Behavior, Animal / drug effects; Blood Urea Nitrogen; Diet / veterinary; Hydrocortisone / chemistry; Hydrocortisone / metabolism; Hydroxyindoleacetic Acid / chemistry; Hydroxyindoleacetic Acid / metabolism; Hypothalamus / chemistry; Hypothalamus / metabolism; Male; Malondialdehyde; Motor Activity / drug effects; Saliva / chemistry; Serotonin / chemistry; Serotonin / metabolism; Swine / growth & development; Tryptophan / administration & dosage; Tryptophan / pharmacology
TL;DR:
Overall, supplementation of L-Trp improved growth performance of 6 wk-old nursery pigs under social stress in association with increasing hypothalamic 5-HT production, reducing stress hormone concentrations, decreasing lipid peroxidation, increasing drinking, and reducing sitting and lying.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018
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