SUSCEPTIBILITY TO SWEET ITCH INVESTIGATED
A long-term study from the Czech Republic confirms that horses can inherit a susceptibility to the allergic skin condition known as “sweet itch,” which is technically known as insect bite hypersensitivity (IBH).
A reaction to the saliva of culicoides and other biting midges, IBH often causes itchiness so intense that horses rub affected areas hairless or raw. It has long been suspected that IBH is inherited because the
A A study study of of Old Old Grey Grey Kladruber Kadruber horses horses suggests suggests that that the the heritability heritability of of insect insect bite bite hypersensitivity hypersensitivity( sweet (sweet itch) itch) is is “medium “medium to to high.” high.”