Mare Reproductive Loss Syndrome (MRLS)

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Dr. Byars–Pericarditis Becoming More of a Problem

While the numbers are nowhere near those associated with early fetal loss and late gestation pregnancy loss, there is a pattern appearing with horses developing pericarditis (fluid in the sac around the heart), said Dr. Doug Byars, a specialist

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May 12 Update: Foal Loss Appears to Be Slowing

As the breeding season winds to a close, you expect to see fewer foals being born. Therefore, there are fewer chances for the current syndrome to affect late-gestation mares. It also seems, however, that the loss of late-term gestations–and

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Kentucky Diagnostic Center Fetal/Foal Loss Update, 5/16

As of noon May 16, the Kentucky Livestock Disease Diagnostic Center had received nine additional aborted/stillborn equine fetuses/foals (five early-term and four late-term) for diagnostic testing/evaluation. The total received since April 28, 2001,

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Ky. State Vet’s Office Communique

Following is a statement sent to other State Veterinarians on May 16, 2001

SUBJECT: Mare Reproductive Loss Syndrome

Dr. Don Notter, Kentucky State Veterinarian, has asked that I provide to you the latest information regarding what

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Kentucky Diagnostic Center Fetal/Foal Loss Update, 5/15

As of noon May 15, the Kentucky Livestock Disease Diagnostic Center had received 26 additional aborted/stillborn equine fetuses/foals (18 late-term and eight early-term) for diagnostic testing/evaluation. The total received since April 28, 2001, is

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Additional Information on Zearalenone

In the industry-wide meeting at Keeneland on Thursday, May 10, zearalenone, a kind of mycotoxin, was put forth as a possible cause of the recent rash of late-term stillbirths, critical foals, and early fetal loss. But while experts seem to be in

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Glossary Of Terms For Mare Reproductive Loss Syndromes

Following is a glossary of terms related to the mare reproductive loss syndromes in horses. This will be a living document–we will add to it as requested or as necessary. If you have any terms you would like to see listed on this document,

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Kentucky’s Fields Of Dreams Now Nightmares

The old-timers say Kentucky is horse country because of its soil. What’s now growing on that soil could be the cause of a rash of late-term losses in foals, early embryonic death, pericarditis (fluid surrounding the heart), reduced growth rates

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