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Article: Trans-9, Cis-11 Conjugated Linoleic Acid Reduces Milk Fat Synthesis in Lactating Dairy Cows1
- Article from:
- Journal of Dairy Science
- Article date:
- May 1, 2007
- Author:
CopyrightCopyright American Dairy Science Association May 2007. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT
Under certain dietary situations, rumen biohydrogenation results in the production of unique fatty acids that inhibit milk fat synthesis. The first of these to be identified was trans-10, cis-12 conjugated linoleic acid (CLA), but others are postulated to contribute to diet-induced milk fat depression (MFD). Our objective was to examine the potential role of trans-9, cis-11 CLA in the regulation of milk fat. In a preliminary study, we used gas-liquid and high-performance liquid chromatography techniques to examine milk fat samples from a diet-induced MFD study and found that an increase in trans-9, cis-11 CLA corresponded to the decrease in milk fat yield. We investigated this ...
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... ... the metabolism of trans-10,cis-12 CLA, on milk fat synthesis. Three ... In contrast, the trans-10,cis-12 CLA supplement reduced milk fat yield by 27 ... transfer efficiency of trans-10,cis-12 CLA into milk fat was 25 and 24 ...
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