The Friesian's dramatic looks come from a small, tightly managed population rebuilt from very few horses, and that narrow foundation is written into its health profile. Friesians are not fragile, but their list of things to watch differs from a general riding horse's list in specific, knowable ways. An owner who learns the breed's four or five characteristic pressure points, skin, swallowing, breeding genetics, and foaling, will catch most Friesian trouble early.
Insect sensitivity and the mane and tail
Friesians are recognised as unusually prone to hypersensitivity to biting insects, the same allergy family as sweet itch, and the breed's crowning glory, that long, thick mane and tail, is exactly where it strikes. Watch for rubbing of the crest, dock, and face, broken mane hairs, and restless behaviour at dawn and dusk in the midge season. Because the hair is the breed's signature, owners sometimes delay acting out of reluctance to rug or trim; resist that, because a season of hard rubbing does more damage to the mane than any protective rug. Tell your vet at the first season of rubbing so management starts before the pattern sets in.
Swallowing problems and choke
The breed is reported more frequently than most with problems of the oesophagus, including a tendency towards megaoesophagus, where the gullet loses its normal push and food moves through it poorly. The practical sign is choke: feed material and saliva coming back down the nostrils, repeated swallowing and neck stretching, coughing, and distress after eating. Choke in any horse warrants a prompt vet call because of the risk of inhaling material into the lungs, and in a Friesian a single episode should trigger a fuller conversation about whether the gullet itself needs investigation, particularly if it ever recurs.
Breeding screens: dwarfism and hydrocephalus
Two inherited conditions are screened for within the breed: dwarfism, which produces foals with disproportionately short limbs and other deformities, and hydrocephalus, a build-up of fluid in the skull that is incompatible with normal life. Both are recessive, so clinically normal horses can carry them, and the studbook system relies on owners testing breeding animals and choosing matings responsibly. If you breed from a Friesian, or buy one with breeding in mind, written screening results are part of due diligence, as essential as the breeding papers themselves.
Foaling and the retained placenta
Friesian mares have a higher tendency than most breeds to retain the placenta after foaling, and this is the item on the list with a clock attached. A placenta still in place a few hours after the foal arrives is not a wait-until-morning matter: it can lead to serious infection and laminitis in the mare, and stud practice in this breed is to involve the vet early rather than late. Anyone breeding a Friesian mare should agree the post-foaling plan, who checks, at what hour, and when the vet is called, before the mare foals, not during the night she does.
Papers that carry the breed's story
For a breed defined by its registry, records are part of the horse. Screening results for both parents, a foaling log including the placenta, any choke episodes with their dates and findings, and notes on skin sensitivity seasons all belong in one travelling file. Kept in KinsLe's Pet Passport, that file means a buyer, a vet, or a future breeder inherits the Friesian's full health story rather than discovering its chapters one emergency at a time.