Is it True Altrenogest Has an Effect on Progesterone Production? Pregnant and embryo recipient mares are often treated with supplemental progestins – commonly Altrenogest in the oral form Regumate, or injectable in one of several longer-acting commercial preparations – in an expectation of “low progesterone” levels. There is a significant question as to what number should be applied… Read More »
Endometrial Biopsy in the Mare – is one sample enough? An endometrial biopsy in the mare is a useful diagnostic to determine cellular health of the uterine lining which will be directly responsible for pregnancy maintenance once placentation has occurred. The biopsy score is correlated to the likelihood of live foal production by use of different scales, such… Read More »
Ultrasound Characteristics of the Uterus in the Cycling Mare and their Correlation with Steroid Hormones and Timing of Ovulation – By Jonathan Pycock, BVetMed, PhD, DESM, MRCVS, RCVS Specialist in Equine Reproduction – Steroid Effects on Uterine Ultrasound in the Mare By Jonathan F Pycock, BVetMed, PhD, DESM, MRCVS, RCVS Specialist in Equine Reproduction The introduction of transrectal… Read More »
Uterine Swabs, Smears and Cultures. – What should a stallion owner do to protect the Live Cover stallion from pathogenic transfer? An overview of swabs smears and cultures. By Jos Mottershead Printed in “The Reproduction Forum” in the CSHA Newsletter, 1996; “Atlantic Horse and Pony” (combined with other material) February 1996 Q: As a stallion owner, what procedures… Read More »
Why Perform a Cytology Smear in Conjunction with a Uterine Culture? – The importance of uterine cytology evaluation supporting the culture results is explained. By Jos Mottershead Most stallion owners require a “clean uterine culture” from a mare prior to breeding her live cover or in some cases shipping semen to her; many mare owners also reference the… Read More »
Progesterone and Estradiol – when it comes to hormonal manipulation, nithing beats P&E! In many cases it allows pinpointing of ovulation to the day in mares. There are times when it is desirable to cause a mare to enter estrus and ovulate within a specific time period. It may be that frozen semen is being used, when the… Read More »
Timed Insemination Protocol for Frozen Semen Use – Use of frozen semen in the mare may be “labour intensive”, but timed insemination can really simplify things! By Jos Mottershead The use of frozen semen has long been promoted as complicated and time consuming. Veterinarians and reproductive specialists have often been unenthusiastic about its use because of the intensive… Read More »
Late Term and Habitual Abortion in the Mare – Pregnancy loss in the mare is a constant source of concern among breeders. Here some common causes are discussed. By Jos Mottershead Late term and habitual abortion in the mare is a constant source of concern among breeders. It may be as a result of identifiable repetitious causes, or… Read More »
Constructing An Emergency Slide Warmer – Sometimes lab equipment may not be available, so one has to become inventive. An emergency slide warmer is one such piece of equipment! By Jos Mottershead Sometimes lab equipment may not be available, so one has to become inventive. An emergency slide warmer is one such piece of equipment! Easily constructed –… Read More »
The Equine Uterus Dissected – Here we show the gross aspects of a mare reproductive tract dissected with labels and explanations. The caudal aspect (back end) of the cervix protrudes into the vagina and is often described as having an appearance and feel of a “small volcano”. There is a depression in the center, which is the opening… Read More »
| Everyone! Join Our Mailing List! |
|
Go here and enter e-mail address to receive periodic updates of news items and information relative to the site:
Join! |
