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Influence of pasture intake on meat quality, lipid oxidation, and fatty acid composition of geese.
MedLine Citation:
PMID:  23307846     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study was conducted to investigate the influence of pasture intake on meat quality, lipid oxidation and fatty acid composition of geese. One hundred twenty, Dongbei White, male geese (a local breed; BW = 878 ± 13 g; 28 d old) were randomly and equally divided into 2 treatments with 6 pens of 10 geese per treatment. The 2 treatments consisted of birds fed ad libitum a corn-based feed. Half of the birds had no access to pasture (control), while the other half had access to an alfalfa (Medicago sativa) based pasture (pasture). The study lasted 42 d. Body weight and feed intake were recorded weekly. At the end of the study, geese were slaughtered to collect meat samples. Results showed that pasture intake reduced subcutaneous fat thickness (P < 0.05) and abdominal fat yield (P < 0.05) of geese compared with control. Geese with access to pasture had greater cooking loss (P < 0.05) and L* value (P < 0.05) and lower pH(24) (P < 0.05) and thiobarbituric acid reacting substance values (P < 0.05) at 0 and 30 min of forced oxidation. Moreover, pasture intake increased linolenic acid (C18:3n-3; P < 0.05) and eicosapentaenoic acid (C20:5n-3; P < 0.05) and reduced the n-6/n-3 ratio (P < 0.05) in the breast muscle of geese compare with the control. In conclusion, pasture intake did not enhance growth performance but improved carcass characteristics and meat quality, and changed fatty acid composition of geese.
Authors:
H W Liu; D W Zhou
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-10
Journal Detail:
Title:  Journal of animal science     Volume:  -     ISSN:  1525-3163     ISO Abbreviation:  J. Anim. Sci.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003002     Medline TA:  J Anim Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Jilin 130102, P. R. China.
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