Category Archives: mare management

Vulval Conformation and Caslick’s Procedure

Posted: | November 2, 2021

Vulval Conformation, Common Vulval Injuries and the Caslick’s Procedure – Vulval Conformation and the Caslick’s Procedure are important aspects to consider, especially when breeding older multiparous mares By Jonathan F Pycock, BVetMed, PhD, DESM, MRCVS, RCVS Specialist in Equine Reproduction In the normal mare the vulva provides the first effective barrier to protect the uterus from ascending infection.… Read More »

Steroidal Secretion Effects on Uterine Ultrasound Characteristics

Posted: | October 27, 2021

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 »

Hormones of the Mare’s Estrous Cycle

Posted: | October 22, 2021

The Mare’s Estrous Cycle – an overview of the hormonal relationships that go to make up the reproductive cycle in the mare By Jos Mottershead (These charts and much of the information appearing in this article are reproduced from the short course notes, at which this topic is discussed in detail. For more information on the educational… Read More »

Early Cyclicity

Posted: | March 22, 2021

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 »

Uterine Cytology Diagnostics in the Mare Explained

Posted: | March 14, 2021

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 »

Cooled Transported Semen Breeding – Some Pointers

Posted: | March 14, 2021

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 »

When Progestin Therapy Doesn’t Work

Posted: | February 9, 2021

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 »