Mare Care

Article

Uterine Lavage Before Insemination Not Harmful to Fertility

June 01, 2003

Uterine lavage can be performed immediately prior to artificial insemination in mares without adversely affecting fertility, according to a recent study completed at the University of Idaho (UI) in Moscow, Idaho. The uterine lavage process is... Read More

Article

A View Within: Reproductive Ultrasound

May 01, 2003

Since the early 1980s, the use of ultrasound has revolutionized our understanding of mare reproductive physiology, and with it stud management. Ultrasound allows the practitioner to diagnose problems and monitor reproductive activity with... Read More

Article

Uterine Lavage Before Insemination Not Harmful to Mare Fertility

April 23, 2003

Uterine lavage can be performed immediately prior to artificial insemination in mares without adversely affecting fertility, according to a recent study completed at the University of Idaho (UI) in Moscow, Idaho. The uterine lavage process is... Read More

Article

Broodmare Diet Basics

April 01, 2003

The body condition of a broodmare can affect reproductive performance and milking ability. Recent research has indicated that mares should be kept in a minimum body condition score of 5.5 (see "Selected Body Condition Scores and Descriptions,"... Read More

Article

Pregnant Mares and Supplements

April 01, 2003

Eleven months is a very long time to wait for a foal. I know from personal experience that the further along the mare is, the more your hopes and dreams for your "perfect foal" grow. It doesn't matter if the foal is bred to gallop to the wire or... Read More

Article

Flea Control Product for Fungal Endometritis in Mares

April 01, 2003

Lufenuron is a once-a-month flea control product for dogs and cats. The active ingredient inhibits chitin production; chitin is a component of the outer surface of many insects. Fungal organisms also contain chitin in their cell walls, making... Read More

Article

Marbles Keep Mares Out of Heat

March 01, 2003

Mares in performance careers are sometimes a frustration to their trainers and riders because during estrus, they can have difficulty concentrating on their work or have "behavioral problems." Many horse owners resort to hormone therapy to keep... Read More

Article

AAEP 2002: Reproduction

February 04, 2003

The reproduction session at the annual AAEP meeting in Orlando, Fla., was something of an A to Z seminar with an international flavor. It started with speakers from North America presenting discussions on endometrial echotexture (ultrasound... Read More

Article

No Live Foal Guarantees

February 01, 2003

Subconsciously, you've been holding your breath for months. From the moment your mare was confirmed in foal, it's been a tense waiting game. And although she will be foaling soon, you know a healthy foal is still anything but a given. Between... Read More

Article

Abortions Up In Central Kentucky; Signs Not Consistent With MRLS

January 31, 2003

The abortion rate in Central Kentucky is up from a year ago, but scientists aren't sure why there has been an increase.

"At this time, there is nothing that is fully consistent with MRLS (mare reproductive loss syndrome)," said Dr. Lenn... Read More

Article

High-Risk Pregnancies and Sick Foals

January 09, 2003

In defining a high-risk mare, Bain said she is one which has had previous foaling problems such as dystocia (difficult delivery), hemorrhage, or a red bag delivery. He said a mare also could be at risk because of medical illness, surgery, colic... Read More

Article

WNV Vaccination in Mares and Foals

January 01, 2003

There were nearly 14,000 reported cases of West Nile virus (WNV) in the United States in 2002 by the end of November, and many broodmares were exposed to the virus even if not clinically affected. As the country begins its fifth year of handling... Read More

Article

Environment and Hormones

January 01, 2003

Some natural and man-made compounds in the environment can disrupt the delicate reproduction hormone balance in many species, possibly including horses. Her suggestion was that although this cause of reproductive dysfunction had not been studied in h... Read More

Article

West Nile Virus Vaccination in Mares and Foals

December 04, 2002

There were nearly 14,000 reported cases of West Nile virus (WNV) in the United States in 2002 by the end of November, and many broodmares were exposed to the virus even if not clinically affected. As the country begins its fifth year of handling... Read More

Article

Endometrial Cysts

November 15, 2002

Endometrial cysts occur in up to 22% of all mares and up to 55% of older mares.... Read More

Video

Draining Endometrial Cysts with a Laser

November 15, 2002

Watch the draining of an endometrial cyst in this short video clip.... Read More

Article

Luteal Insufficiency in the Mare

November 08, 2002

Insufficient function of the corpus luteum (the structure formed after the follicle that releases the egg, or ovulates, and then produces progesterone) has been proposed as a mechanism for early embryonic loss in the mare, but until now there... Read More

Article

Chronic Uterine Torsion in Mares

November 01, 2002

In late pregnancy, mares are susceptible to a dangerous complication called uterine torsion. Accounting for 5-10% of obstetrical emergencies, twisting of the uterus can be fatal to fetus and mare if left untreated. The hallmark of acute uterine... Read More

Article

Breeding Soundness Exam of the Mare

November 01, 2002

Horse breeding is a time-consuming and expensive business. Therefore, horse breeders must be able to assess the likelihood of a mare being able to conceive, carry a fetus through a pregnancy, and deliver a live foal. While unforeseen problems ca... Read More

Article

Foaling Alarms--Expecting Company?

November 01, 2002

There are several types of foaling alarms available. They are designed to notify the person responsible (owner, farm manager, or foaling attendant) that the mare is in labor. ... Read More

Article

Purina Veterinary Conference 2002

October 16, 2002

Only 20 miles from downtown St. Louis, Mo., is a 1,200-acre research farm owned by the nutrition company Purina Mills. On Oct. 3-5, 140-plus veterinarians and another 50 Purina Mills representatives gathered to tour that research facility and... Read More

Article

Mare Milking Early

August 01, 2002

I have a Paso Fino mare whose due date is three months away and her milk bag is full, hot, and dripping very white milk. She has been waxed over for about a week now, but thankfully she seems to be in no distress. I can find no one with this... Read More

Article

Bute Toxicity in Neonates

May 01, 2002

Q: My wife and I were told that giving Bute (phenylbutazone) to a mare in foal can cause heart defects in the foal, similar to aspirin taken by women in early pregnancy. Is there any connection? A: Signs of phenylbutazone toxicity in foals whose...... Read More

Article

Pregnant Mare Weight Gain

April 01, 2002

We have a 6-year-old Quarter Horse mare and a 21-year-old Paint mare, both in foal to the same Quarter Horse stud. Both were five months along in mid-November (they were bred one week apart). The 6-year-old gained 31 pounds in a six-week period,... Read More

Article

Evaluating Reproductive Health in Mares

April 01, 2002

The reproductive system of the horse has evolved over time with specific protective functions that are necessary for fertility. The horse and pig are the only domestic animals in which semen is deposited directly into the uterus, in contrast to... Read More