Fatty acid elongation and Delta9 desaturation : effects of diet and genetic background in cattle /

.005). The MUFA:SFA ratio was higher in Summer than Fall for

Bibliographic Details
Main Author: Page, Amy Maurine, 1970-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:.005). The MUFA:SFA ratio was higher in Summer than Fall for
(98.28 pmol vs. 40.93 pmol, P = .02). Desaturase activity
(n = 4) cohorts and assayed at a common fatness (1.2 cm
@ .03). Elongase activity correlated with de novo
6) or 30% WCS (n =6). De novo lipogenesis (14C-acetate
acids (SFA) to monounsaturated fatty acids (MUFA). To better
activity, however, does not consistently correlate with
adipose tissue in steers that were either 3/4 Angus (n = 58)
adipose tissue: Brangus steers created by nuclear transfer
and differentiation in bovine adipose tissue. Elongase
and elongase and desaturase activity, cellularity, and
Angus (P = .01). Results from these experiments support the
both breeds (P = .04) and was higher in 3/4 Brahman than 3/4
cloning were established as calf-fed (n = 5) or yearling-fed
depots, though not significantly (P = .07). Elongase activity
desaturase activities in subcutaneous and intramuscular
Desaturase activity was enhanced during Summer, but was
did not correlate with de novo lipogenesis. 3) Influence of
during Fall in subcutaneous adipose of both breeds (P = .03).
enzyme activity: Elongase and desaturase activity in liver
experiments. 1) The influence of feed on lipogenesis and
Fatty acid elongase and stearoyl-CoA desaturase are
genetic composition and season on subcutaneous and
hypothesis that desaturase is a marker for cell proliferation
in Brangus steers fed either 0% whole cottonseed (WCS) (n =
incorporation per 100 mg adipose tissue) was significantly
intramuscular adipose tissue: We measured elongase and
lipogenesis in subcutaneous adipose tissue were quantitated
lipogenesis or differentiation.
lipogenesis. 2) Influence of feeding regimen on elongase and
lower in steers fed 30% WCS (122.1 nmol vs 171.4 nmol vs., p
measurable enzymes involved in converting saturated fatty
or 3/4 Brahman (n = 39). Elongase activity was greater
season on these enzyme systems we conducted three
significant only in the intramuscular adipose tissue (P =
subcutaneous fat thickness). Elongase activity was greater in
understand the effects of diet, diet regimen, genetics, and
was higher in calf-fed than yearling-fed steers in both
yearling-fed than calf-fed steers in the intramuscular depot
Item Description:"Major subject: Nutrition".
In title, symbol for Greek letter delta is used and numerals are superscript.
Vita.
Physical Description:xi, 64 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.