Characterization of the cervix in cycling mares using ultrasound /

(r = .46). A 71% pregnancy rate (10 of 14) was achieved.

Bibliographic Details
Main Author: Day, William Edwin
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(r = .46). A 71% pregnancy rate (10 of 14) was achieved.
adjunct to cervical assessment by palpation in cycling mares.
by cervical score were highly correlated (r = .86). Cervical
changes in the monographic appearance of the cervix. The
cycle, and at 24-h intervals during the periovulatory period.
day 12 postovulation was 2.85 cm and 3.43 cm, respectively.
diameter and discernability of the endometrial-myometrial
diameter was best correlated with the ultrasound rating
diestrus and proestrus beginning on day 10 of the estrous
examine the efficacy of ultrasound for the evaluation of the
examined by palpation and ultrasound at 48h intervals during
follicular status, and cervical characteristics. The
found to have its greatest correlation with cervical diameter
Fourteen mares, 6 Arabians and 8 Thoroughbreds, were used to
In this study, cervical echography was shown to be a useful
junction. A five-point cervical score was developed based on
mare's cervix during the estrous cycle. Within a 125-day
Mares were bred by artificial insemination at 48-h intervals
mean cervical diameter for pregnant and non-pregnant mares on
Mean progesterone concentrations for days 0, 6, and 12
monographic image was taken and analyzed for reflectance by
observed characteristics. A photograph of each cervical
on day 12 which was accompanied by loss of cervical tone and
ovulation while the uterus was found to be most flaccid on
palpation. Ultrasound was used to evaluate the reproductive
period during the physiologic breeding season, mares were
post-ovulation and analyzed for progesterone. Cervical
pregnant mares had progesterone concentrations below.30 ng/ml
relaxation was found to be greatest on the day before
system (cervical score) (r = .68) and cervical density was
the day of ovulation. Cervical evaluation by palpation and
tract, noting the presence of uterine fluid and/or edema,
ultrasound exam of the cervix included observations of
until ovulation was detected. During each examination,
uterine tone and cervical characteristics were determined by
video densitometry. Blood was collected on days 0, 6, and 12
were.24,13.15 and 11.41 ng/ ml, respectively. Two non-
Item Description:"Major subject: Physiology of Reproduction".
Vita.
Physical Description:xi, 92 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.