Arich, glowing coat and flowing mane and tail testify to a horse’s overall health. But balanced nutrition and thorough grooming sessions aren’t enough when serious skin allergies strike.
Insect bite hypersensitivity (IBH) is the most common allergic skin disease. Traditionally, IBH is associated with insects of the genus Culicoides, including biting midges (“no-seeums”), sand flies, black flies, horn flies, stable flies, and mosquitoes. Hypersensitivity to Culicoides is also referred to as “sweet itch.”
“These insects make their appearance in the spring and become sparse in the cold winter months, but generally they remain active yearround, especially in places like Florida, contributing to the chronic causes of allergic skin disease in some horses,” says Caitlyn Henderson, DVM, of Peterson Smith Equine Hospital in Ocala, one of Florida’s largest equine clinics.
The…