SHORT COMMUNICATION
Effect of silage type and energy concentration on conjugated linoleic acid (CLA) in milk fat from dairy cows
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1
Department of Animal Nutrition and Physiology, Danish Institute of Agricultural Sciences, Research Centre Foulum, P.O. Box 50, DK-8830 Tjele, Denmark
 
2
BioCentrum-DTU, DK-2800 Lyngby, Denmark
 
 
Publication date: 2004-08-30
 
 
Corresponding author
K. Sejrsen   

Department of Animal Nutrition and Physiology, Danish Institute of Agricultural Sciences, Research Centre Foulum, P.O. Box 50, DK-8830 Tjele, Denmark
 
 
J. Anim. Feed Sci. 2004;13(Suppl. 1):697-700
 
KEYWORDS
ABSTRACT
40 lactating cows were fed either clovergrass or maize silage and a low or high dietary energy concentration in a 2×2 factorial design. The maize silage diets rich in starch and linoleic acid resulted in a higher content of c9t11 and t10c12 CLA in milk fat than the grass silage diets. A high energy concentration plus maize silage led to a pronounced shift in the biohydrogenation pathway of linoleic acid, the highest t10c12 CLA content and lowest milk fat percentage. Energy concentration had no effect on milk fat CLA content or milk fat percentage in grass silage fed cows.
 
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ISSN:1230-1388
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