Document Detail


Lipid fraction quality of milk produced by Minhota (Portuguese autochthonous breed) compared to Holstein Friesian cow's.
MedLine Citation:
PMID:  22585310     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Minhota and Holstein Friesian cows (15 from each breed) were selected from several farms located in the north of Portugal, all under similar feeding regime. Milk samples from individual cows were collected once a month, during one year, to take into account different lactation stages and feeding seasonal changes. RESULTS: Holstein milk was found to have higher content of total polyunsaturated fatty acids, omega-6, and trans fatty acids, while Minhota milk had significantly higher monounsaturated fatty acids content. No statistical differences were observed for omega-3 and saturated fatty acids contents, mostly due to the high dispersion observed in Minhota milk samples. The average amount of conjugated linoleic acid was higher in Minhota breed, but the high dispersion of values reduced the statistical significance. Cholesterol content, expressed as mg kg(-1) of fat, was higher in Holstein than in Minhota milk. CONCLUSION: The results indicate that Minhota milk has important nutritional qualities that deserve attention, but the wide individual variation found within animals from this breed suggests a high genetic variability. Following this, the selection of some of these animals for intensive milk production could improve milk quality. Copyright © 2012 Society of Chemical Industry.
Authors:
Heryka Mm Ramalho; Sílvia D Campos; Susana Casal; Rui Alves; Maria Beatriz Pp Oliveira
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-14
Journal Detail:
Title:  Journal of the science of food and agriculture     Volume:  -     ISSN:  1097-0010     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376334     Medline TA:  J Sci Food Agric     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Society of Chemical Industry.
Affiliation:
REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia da Universidade do Porto, 4050-313 Porto, Portugal.
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