SHORT COMMUNICATION
Effect of mixed oil on C18 - fatty acid and conjugated
linoleic acid profiles in rumen fluid and blood plasma
of cattle
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1
Department of Animal Science, Yanbian University,
133400 Yanbian, P.R. China
2
Animal Science and Technology College, China Agricultural University,
100094 Beijing, P.R. China
Publication date: 2007-09-17
Corresponding author
C. G. Yan
Department of Animal Science, Yanbian University,
133400 Yanbian, P.R. China
J. Anim. Feed Sci. 2007;16(Suppl. 2):592-597
KEYWORDS
ABSTRACT
The experiment was conducted to determine the effect of mixed oil on C18-fatty acid and CLA
profiles in rumen fluid and plasma of Yanbian cattle by adding different levels of the mixed oil to
concentrate. The contents of propionate and C18:1 were increased in rumen fluid by adding mixed oil.
In plasma, the contents of C18-fatty acids in experimental groups were all significantly higher than
in the control group; c9, t11-CLA increased at 6 h, t10, c12-CLA increased at 0, 9, 12 h. Enhancing
CLA contents of rumen fluid and plasma through feeding 4% mixed oil in the diet seems to be the
optimal level.