Document Detail

Quality of retail beef from two grass-based production systems in comparison with conventional beef.
MedLine Citation:
PMID:  22062308     Owner:  NLM     Status:  In-Data-Review    
Seventy beef strip loins (Longissimus dorsi) were sampled, originating from labels prescribing pasturing (PS, suckler beef; PF, finished steers or heifers), from conventional production (CH, heifers; CB, young bulls), and from a label producing intensively fattened young bulls (LB) and prescribing specific husbandry conditions but not grazing. Samples were purchased in autumn and spring (1:1) from 33 retail stores in northeastern Switzerland. Colour was lightest in LB beef, while PS displayed the least intensive red. Shear force was low in pasture beef, with PF showing the lowest variability. Pasture beef was richer in n-3 fatty acids than beef of all other origins. The n-6/n-3 ratio was consistently below 2 in pasture beef, while it ranged above 5 in LB, and also in CH and CB when purchased in spring. Prescribing year-round feeding of grass products and the use of steers or heifers therefore guarantees n-3 enriched beef, which can be at least as tender as conventional beef.
R H Razminowicz; M Kreuzer; M R L Scheeder
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Publication Detail:
Type:  Journal Article     Date:  2006-02-28
Journal Detail:
Title:  Meat science     Volume:  73     ISSN:  0309-1740     ISO Abbreviation:  Meat Sci.     Publication Date:  2006 Jun 
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:  351-61     Citation Subset:  -    
Institute of Animal Science, Animal Nutrition, ETH Zurich, CH-8092 Zurich, Switzerland.
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