The paddock fence is the first meeting room
A Shetland pony meeting a resident pet for the first time should have a solid paddock fence between them, with the pony loose inside and the pet on a lead outside, held by its own handler. Let the pony choose whether to come over and investigate or graze at a distance, because a pony that can walk away rarely feels the need to threaten. Keep the pet far enough back that the pony's curiosity stays friendly, ears forward and neck relaxed, rather than defensive. Several short fence-line meetings teach both animals more than a single long one.
Small pony, serious kick: respect the Shetland's defences
A Shetland pony stands low, which puts a dog's head conveniently close to both its bite and its heels, and Shetlands are famously quick to use both when they feel crowded or chased. A barking dog circling the fence can be kicked through or over a weak barrier, and a nip from a pony can seriously injure a smaller pet. That is why the pet's behaviour matters as much as the pony's: no rushing the fence, no barking at heels, no nipping games. A pony that pins its ears, swings its hindquarters toward the pet, or stamps is giving fair warning to end the session and add distance.
Settling the resident pet around a pony
Dogs meeting ponies for the first time often swing between fascination and herding attempts, both of which need calm redirection rather than scolding. Reward the dog for sitting or lying down near the fence, for watching quietly, and for turning back to its handler when called. Work at whatever distance keeps that behaviour possible, and move closer across days, not minutes. If the resident pet is a goat or another small farm animal rather than a dog, the same fence-first logic applies, with extra attention to the pony's food guarding, since Shetlands defend hay and feed buckets assertively.
When shared space is finally appropriate
Shared space should wait until the pony grazes calmly with the pet in sight and the pet can rest near the fence without fixating. Start in a large area, pony on a lead rope held by its handler, pet leashed and held well clear of the pony's hindquarters, and let them exist in the same space rather than meet face to face. Never let a dog run loose around a pony's legs, and never tether the two near each other unsupervised. Even long-settled pairings keep one rule: the pet stays out of the pony's stable and feeding area, where a cornered pony is most likely to strike.
Two animals means two handlers, every time
The safest Shetland introductions assign one competent person to the pony and another to the resident pet, so neither animal is managed one-handed while the other is loose. Agree beforehand who retreats first if either animal escalates, and end every session on a calm note rather than pushing for progress. Planning those meetings in KinsLe through Care Teams, with a pony handler and a pet handler both assigned and each session marked off when finished, keeps this pony's introductions from ever depending on a single pair of hands.