Document Detail


Carcass traits of Rambouillet and Merino × Rambouillet lambs and fatty acid profiles of muscle and subcutaneous adipose tissues as affected by new sheep production system.
MedLine Citation:
PMID:  22063429     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Rambouillet and Merino×Rambouillet lambs were assigned to production systems varying in physical environment and diet: RF (raised-floor, open-sided barn/85% oat hay-10% wheat-5% molasses), FL (feedlot/high-concentrate), and P (pasture/grazing plus supplement). Although treatment duration was varied to produce similar final weights, RF lambs were heavier than P lambs, but dressing percentages were similar. Backfat thickness was less with P and for Merino cross lambs. RF feed was higher in saturated fatty acids (SFA) percentage than FL feed and P supplement, but lower compared to pasture plants. For both breed types, muscle tissue from RF was higher in SFA and lower in polyunsaturated fatty acids (PUFA) percentage than that from FL or P. In adipose tissue, SFA and PUFA tended to be higher and monounsaturated fatty acids were lower with RF for Merino cross lambs. Nevertheless, 16:0 or 18:1 percentage differences among P, FL and RF lamb tissue samples were minor vs. large variations among their respective diets.
Authors:
Ki Soon Rhee; C J Lupton; Y A Ziprin; K C Rhee
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Meat science     Volume:  65     ISSN:  0309-1740     ISO Abbreviation:  Meat Sci.     Publication Date:  2003 Oct 
Date Detail:
Created Date:  2011-11-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101160862     Medline TA:  Meat Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  693-9     Citation Subset:  -    
Affiliation:
Meat Science Section, Department of Animal Science, Texas A&M University, 2471 TAMU, College Station, TX 77843-2471, USA.
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