Breeding and Reproduction

Horse breeding from planning through foal care

Field Reports Support Preliminary UK Research Results

Field reports from farm managers and equine practitioners attending the Equine Industry Task Force meeting Thursday evening, May 2nd appear to strongly support preliminary research results released by the University of Kentucky College of

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Veterinarians Discuss Current MRLS Concerns

The Kentucky Association of Equine Practitioners (KAEP) met Wednesday evening, May 1, to discuss the current status of mare reproductive loss syndrome (MRLS) in central Kentucky.


A few isolated cases consistent with a

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Flushing Solution?

What type of solution is used to flush the tube after inseminating a mare and is it necessary?

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Cyanide Study in Caterpillars

Terry Fitzgerald, PhD, a distinguished university professor of biological sciences at the State University of New York College at Cortland, said recent research has shown that the Eastern tent caterpillar does a very good job of depleting the

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Preliminary Results Released in MRLS Caterpillar Study

The University of Kentucky (UK) College of Agriculture has released preliminary results from a collaborative project involving the departments of entomology, veterinary science and the livestock disease diagnostic center. Early results from this

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Bute Toxicity in Neonates

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…

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Acupuncture and Microdose Prostaglandin in the Mare

Prostaglandin F2 alpha (PG) is used to shorten a mare’s cycle and hasten ovulation for breeding. Unfortunately, the standard PG dose (5 mg) also causes undesirable side effects, including sweating, trembling, increased heart rate, and

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Eastern Tent Caterpillar Movement Beginning

Eastern tent caterpillars are still regarded as a primary risk factor in the mare reproductive loss syndromes (MRLS) of 2001, and very preliminary research trials continue to support the recommendation that pregnant mares should not be exposed t

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Equine Management Advisory for Kentucky Horse Farms

Conditions in the central and eastern part of Kentucky will again be right for the possible formation of frost in low lying areas tonight (Thursday, April 25), according to University of Kentucky researchers. Because of similarities in

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Mycotoxin Binders Not Labeled Legally

The Food and Drug Administration (FDA) says the claims made by some feed products that they contain mycotoxin binders is illegal. In Kentucky last year, many feeds and supplements were touted as having mycotoxin binders in the face of mare

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Foal Reduction Slows, But Percentage Still High

The rate of reduction in foal losses in Kentucky is slowing, but it is still staggering. The latest figures from The Jockey Club show 32.4 percent less foals dropped in Kentucky this year through April 3 compared with a year ago. In an earlier

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Some NY Farms Experiencing Foaling Problems

Some New York breeding farms have experienced an unusual number of foaling problems so far this breeding season, and slightly higher incidences of sickness and herpesvirus abortions. There is evidence to suggest a slight connection between the

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Straightening Crooked Legs

It is not unusual for foals to be born with some level of angular limb deformity, but this becomes a problem when the deformity is severe and doesn’t self-correct quickly. If the deviation is relatively minor, it might be resolved with stall

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Evaluating Reproductive Health in Mares

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

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