Document Detail

Long-term supplementation of various dietary lipids alters bone mineral content, mechanical properties and histological characteristics of Japanese quail.
MedLine Citation:
PMID:  12762407     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to investigate the effects of long-term supplementation of fat in the diets on the fatty acid composition, chemical, mechanical, and histological properties of tibial bone. Month-old male Japanese quail were fed a basal diet containing either soybean oil (SBO), hydrogenated soybean oil (HSBO), chicken fat (CF), or menhaden fish oil (FO) at 50 g/kg of the diet and maintained on these diets for 7 mo. Lipid treatments did not affect body weight, food intake, tibial length, or diameter. The FO diet group had the highest percentage of tibial ash, and both the FO and HSBO significantly increased tibial mineral content compared to those given SBO or CF. The type and amount of fatty acids in the diets had a profound influence on fatty acid composition of lipids in tibial cortical bones. Quail fed FO had the highest concentration of (n-3) fatty acids, and those fed SBO were highest in (n-6) fatty acids. The HSBO diet, containing high level of trans-fatty acids, led to the accumulation of these fatty acids in bone. In quail, long-term supplementation of FO or HSBO increased tibial shear force and shear stress and improved histological cortical thickness and density when compared to those given SBO or CF. These results suggest that long-term exposure to a FO or HSBO diet have a significant beneficial effect on bone metabolism.
D Liu; H P Veit; J H Wilson; D M Denbow
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Poultry science     Volume:  82     ISSN:  0032-5791     ISO Abbreviation:  Poult. Sci.     Publication Date:  2003 May 
Date Detail:
Created Date:  2003-05-23     Completed Date:  2003-11-12     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0401150     Medline TA:  Poult Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  831-9     Citation Subset:  IM    
Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA.
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MeSH Terms
Animal Feed
Animal Nutritional Physiological Phenomena
Bone Density / drug effects*
Bone and Bones / drug effects*,  metabolism,  physiology
Coturnix / growth & development,  metabolism*,  physiology
Dietary Fats / administration & dosage*,  metabolism
Dietary Fats, Unsaturated / administration & dosage,  metabolism
Fatty Acids, Omega-3 / analysis
Fatty Acids, Omega-6
Fatty Acids, Unsaturated / analysis
Fish Oils / administration & dosage
Random Allocation
Soybean Oil / administration & dosage
Stress, Mechanical
Reg. No./Substance:
0/Dietary Fats; 0/Dietary Fats, Unsaturated; 0/Fatty Acids, Omega-3; 0/Fatty Acids, Omega-6; 0/Fatty Acids, Unsaturated; 0/Fish Oils; 8001-22-7/Soybean Oil; 8002-50-4/Menhaden oil

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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