Adaptation to a fat-supplemented diet by cutting horses /

(HR), respiration rate (RR), rectal temperature (RT) and

Bibliographic Details
Main Author: Julen, Tiffany Rochele, 1968-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(HR), respiration rate (RR), rectal temperature (RT) and
(P>.05) amounts of feed. (P>.05) amounts of feed. On d
0, 7, 14, 21 and 28. Every 7 d a standardized exercise
14 and 28, and plasma linoleate concentrations increased on d
28 at rest and 30 min recovery when horses were fed F.
60:40 ratio. A digestion trial was conducted prior to d
7 the 'apparent digestibilities of energy, ether extract
a given d were not different from values when the horses were
and neutral detergent fiber in F were higher (P<.05) than
and over recovery from the SET. Muscle biopsies were
between treatments on any d. Pre-exercise data was normalized
concentrations were higher (P<.05) when horses were fed F
Consequently, d 28 pre-exercise muscle glycogen
cutting horse training in a repeated switchback
decreases (P<.Ol) in RR and RT over days, indicative of
device to stimulate anaerobic metabolism. Heart rate
difference in HR between treatments or days. There were
easier heat dissipation due to decreased ambient
Eight mature Quarter Horses were exercised by simulated
experiment. Horses were fed a control (C) and a 10% fat-
F, but values for glycogen utilization were not different
fed C. There was no increase in muscle glycogen over time
glycogen concentrations when horses were fed C than F.
horses were fed F than C at all sampling times examined on d
muscle glycogen storage from d 0 to d 28, however, values on
obtained from the biceps femoris before and after each
Plasma glucose concentrations on d 28 when horses were fed F
Plasma oleate concentrations appeared to be higher when
protein was higher (P<.05) for F than C. There was no
seasonal changes.
SET. Body weight and condition were maintained on similar
supplemented (F) concentrate with bermudagrass hay in a
temperature (P<.06) and humidity (P<.Ol) because of
test (SET) was conducted utilizing a mechanical 'cow'
than C. Plasma lactate concentrations did not differ between
those in C. By d 14 apparent digestibility of crude
to set d 0 values equal to zero, due to higher (P<.05)
treatments, however, there was a decline (P<.05) by days.
utilization increased (P<.05) from d 0 when horses were fed
venous blood samples were taken prior to, during the SET
were lower than when fed C at numerous sampling times.
when horses were fed C. On d 7, 14 and 28, muscle glycogen
When horses were fed F, there was an increase (P<.05) in
Item Description:"Major subject: Animal Science".
Vita.
Physical Description:xvii, 104 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.