Top Equine Reproduction Studies of 2018

Dr. Regina Turner shares the results of studies on antimicrobial options for metritis, treating blocked oviducts, estrus lengths and pregnancy rates, colic surgery in broodmares, and more.

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Top Equine Reproduction Studies
Older mares produced fewer foals after colic surgery than did younger mares, but the researchers concluded that age at the time of surgery—not the surgery itself—impacted how long mares continued to produce foals. | Photo: Anne M. Eberhardt/The Horse

Each year the American Association of Equine Practitioners convention kicks off with a rapid-fire run through some of the most important surgery, medicine, and reproduction studies of the previous 12 months. The 2018 edition, held at the Dec. 1-5 meeting in San Francisco, California, featured Regina Turner, VMD, PhD, Dipl. ACT, chief of the Section of Reproduction and Behavior at the University of Pennsylvania’s New Bolton Center, in Kennett Square, presenting reproduction research. Here were her top selections:

How Ceftiofur Sodium Affects Pregnant Mares

In this study researchers from Florida, Georgia, and Kentucky evaluated the pharmacokinetics (how drugs are processed and maintained in the body) of the broad-spectrum antibiotic ceftiofur sodium (Naxcel) in pregnant mares to see if this drug might be an effective placentitis (inflammation of the placenta) treatment.

“It makes great intuitive sense because most placentitis cases are caused by Streptococcus equi subspecies zooepidemicus, and ceftiofur sodium is very effective against (that pathogen),” said Turner

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Alexandra Beckstett, a native of Houston, Texas, is a lifelong horse owner who has shown successfully on the national hunter/jumper circuit and dabbled in hunter breeding. After graduating from Duke University, she joined Blood-Horse Publications as assistant editor of its book division, Eclipse Press, before joining The Horse. She was the managing editor of The Horse for nearly 14 years and is now editorial director of EquiManagement and My New Horse, sister publications of The Horse.

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