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Effect of supplementing different oils: Linseed, sunflower and soybean, on animal performance, carcass characteristics, meat quality and fatty acid profile of veal from "Rubia Gallega" calves.
MedLine Citation:
PMID:  24200577     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The fatty acid (FA) composition of longisimus dorsi (LD) and subcutaneous fat (SCF) from Rubia Gallega (RG) calves was compared for three dietary oil sources (linseed, LO; sunflower, SFO or soybean, SYO). Oils were added (4.5%) to a commercial concentrate and no differences on animal performance, carcass characteristics or meat quality among diets were noted. Total n-3 polyunsaturated FA (PUFA) increased in LD and SCF when feeding LO diet (P<0.001). The trans(t) FA profiles were dominated by t11-18:1, except when feeding SFO diet, where ∑t6- to t10-18:1 exceeded t11-18:1 leading the highest (∑t6-to t10-18:1)/t11-18:11 ratio in LD (P<0.05). The overall changes in n-3 PUFA and t18:1 when feeding LO and SYO could be viewed as positive for human health, but quantitatively it was apparent that most dietary PUFA were completely biohydrogenated. Inhibiting PUFA biohydrogenation will be an important next step to improve the FA composition of RG cattle.
Authors:
Laura González; Teresa Moreno; Esperanza Bispo; Michael E R Dugan; Daniel Franco
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-10-10
Journal Detail:
Title:  Meat science     Volume:  96     ISSN:  1873-4138     ISO Abbreviation:  Meat Sci.     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-11-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101160862     Medline TA:  Meat Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  829-836     Citation Subset:  -    
Copyright Information:
© 2013.
Affiliation:
Departamento de Producción Animal, Centro de Investigaciones Agrarias de Mabegondo (C.I.A.M), INGACAL, Apdo 10, 15080 A Coruña, Spain. Electronic address: gongonlaura@hotmail.com.
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