Inducing Early Cyclicity in Mares – What practical solutions are there to start mares cycling earlier in the year? This article discusses some of the options. By Jos Mottershead (Originally Printed in: “The Reproduction Forum” in the CSHA Newsletter, 1996; updated 2006, 2015 & 2021) Q: I want my mare to have an early foal, but she doesn’t… 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 »
I Gave My Mare Prostaglandin, But It Didn’t Work! – Commonly it’s used in the mare to cause her to enter estrus, sometimes prostaglandin fails to cause estrus – why? By Jos Mottershead Hormones are commonly used in the mare to cause her to enter estrus (come in to “heat”), but sometimes prostaglandin fails to cause estrus. Let’s… 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 »
Breeding a Mare with Shipped Semen – Often perceived as going to be difficult, this can be a simple matter with some careful preparation, awareness and communication! By Jos Mottershead There are probably two major keys to successfully breeding a mare with shipped semen – preparation and communication. Carefully preparing your mare, and the associated monitoring of her… Read More »
I gave my mare Progesterone (or Altrenogest), but it didn’t work! – an explanation of some of the causes of failure of promotion of estrus and other problems. By Jos Mottershead Progesterone or the synthetic progestin analogue altrenogest (Regumate1) is commonly used in the mare to cause her to enter estrus (come in to “heat”) at an appropriate time. It does this by suppressing estrus… Read More »
Love me or love me not, but successful breeding takes more than chance – An older but updated article covering some of the more important items to consider for success! By Jos Mottershead Printed in Atlantic Horse and Pony, Jan/Feb, 1992 This article was written in 1992 and was published in a Nova Scotian magazine. Some of the… Read More »
When Should You Breed Your Mare? Winter, Spring, Summer, Fall: consider the options – Seasonality can play a part in choosing the right time of year for your foal to be born and your mare to be bred! By Jos Mottershead Printed in Atlantic Horse and Pony, February, 1996 This article about when to breed a mare was… 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 »
Managing Twinning in the Mare – While most equine pregnancies are simple, twinning when it happens is an issue. Here we discuss managing twinning in the mare. By Jos Mottershead and Kathy St. Martin You’ve read all the articles at Equine-Reproduction.com, your mare was in heat, you jumped through all the various hoops you needed to in order… Read More »
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