Breeders’ Cup Classic (gr. I) winner Raven’s Pass underwent colic surgery April 20. The 5-year-old stallion, who stands at Sheikh Mohammed’s Kildangan Stud in Ireland, will be rested from covering duties for the next six weeks.

“Unfortunately, Raven’s Pass underwent colic surgery yesterday,” Jimmy Hyland, Kildangan’s stud director said. “Th

The U.S. Supreme Court ruled as unconstitutional a federal law banning the “commercial creation, sale, or possession of certain depictions of animal cruelty.” The court, on an 8-1 vote April 20, declared the federal law too broad and therefore invalid under the free speech amendment.

The law, enacted in 1999, was designed to stop the sales of “crush videos” dep

The U.S. Food and Drug Administration (FDA) is asking a federal court to stop Franck’s Compounding Lab Inc. from manufacturing and selling compounded drugs used to treat animals. The Ocala, Fla., pharmacy produced a vitamin and mineral compound blamed for the deaths of 21 polo horses last year.

The horses died after receiving a selenium, vitamin B, and potassium compound prepa

For the first time, researchers have demonstrated that the corticosteroid prednisolone improves the lung function of horses with recurrent airway obstruction, even in the presence of continuous exposure to antigens. The same study also revealed that a low dose of a similar drug, dexamethasone, reversed airway obstruction despite continues antigen exposure.

“Recurrent airway o

Researchers at the University of California (UC), Davis are having success treating atrial fibrillation in horses through transvenous electrical cardioversion (TVEC). Carrie J. Finno, DVM, DACVIM, an adjunct professor in large animal internal medicine at the UC Davis Veterinary Medical Teaching Hospital, writes of successfully using the procedure on Jody Carlson-Astrom’s horse

The disqualification of Sapphire at the FEI World Cup Final in Geneva based on findings of hypersensitivity is not intended to punish but to protect, according to officials of the Fédération Equestre Internationale (FEI).

The 14-year-old Belgian warmblood mare, equine partner to two-time Olympic gold medalist McLain Ward (USA), is perfectly sound, has no pain, and re

The antihistamine cetirizine has no apparent benefit in treating insect bite hypersensitivity (IBH), reports a group of Swiss researchers led by Lena Olsén from the Division of Pathology, Pharmacology, and Toxicology at the Swedish University of Agricultural Sciences.

Also referred to as sweet itch or summer eczema, IBH is a seasonally recurrent skin disorder caused by a hy

More than 1,150 readers of TheHorse.com responded to a poll asking, “Who administers vaccinations to your horse?”