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Daily variations of serum lipids in Ovis aries under different lighting and feeding conditions
- Source :
- Journal of animal physiology and animal nutrition. 95(5)
- Publication Year :
- 2010
-
Abstract
- The aim of this study was to discriminate the impact of lighting and feeding conditions on the regulation of lipid metabolism in Ovis aries. Six clinically healthy female Comisana ewes, not pregnant and not lactating were kept under different environmental conditions: 12:12 light-dark (LD) cycle, constant darkness and fasting. Blood samples were collected at the end of each period of treatment every 4 h for a 24-h period. Blood concentration of triglycerides, total cholesterol and non-esterified fatty acid showed robust daily rhythmicity in ewes maintained under 12:12 LD cycle and fed ad libitum. Conversely, either constant darkness or fasting had a deep impact on all lipid parameters investigated. Our results suggest that lighting and feeding conditions have an impact on daily variations in lipid metabolism in ewes.
Details
- ISSN :
- 14390396
- Volume :
- 95
- Issue :
- 5
- Database :
- OpenAIRE
- Journal :
- Journal of animal physiology and animal nutrition
- Accession number :
- edsair.pmid.dedup....c36a2eba3e02dd33ead53900e5864e54