First contact across a fence or barn gate
A Tennessee Walking Horse should meet a resident pet with a paddock fence or barn aisle gate between them, the horse held or loose on its side and the pet leashed on the other. Let the horse lower its head, blow softly, and take the pet's measure from a distance it chooses, while the pet's handler keeps it sitting or standing calmly rather than pulling toward the barrier. Horses read movement more than intention, so a quiet pet at ten paces teaches the horse far more than a friendly one bouncing at the gate. Finish the first session while both animals are still relaxed.
A gentle breed still carries a horse's weight
Tennessee Walking Horses are prized for their calm, willing temperaments and smooth gaits, and most accept a settled farm dog readily. Gentleness does not reduce the physics, though: a tall Walker that startles at a sudden bark or a pet darting under its belly can step or swing into the smaller animal before any handler reacts. Keep the pet out from underfoot at every stage, teach it to give the horse a wide berth around the hindquarters, and never let it trail directly behind the horse where it cannot be seen. The horse's blind spots, directly in front of its forehead and directly behind its tail, are where a small pet is most at risk.
Building the resident pet's yard manners
Use the fence-line sessions to install the habits the pet will need for life around this horse: settling on cue, recalling away from the fence instantly, and ignoring the horse while it is being led past. Reward those behaviours generously at a distance before testing them closer in. A dog that wants to herd will fixate on the horse's moving legs, and that staring, crouching posture should be interrupted early and rewarded when it breaks. A barn cat needs less training but the same protection: make sure it has high perches and escape routes in any space it shares with the horse.
Walking in the same space, at a working distance
Progress to shared space in a large paddock or yard, horse on a lead rope with its own handler, pet leashed with its handler, walking parallel at a comfortable distance rather than approaching head-on. The Walking Horse's smooth, ground-covering stride can excite a dog into chasing, so keep the horse at a walk and reward the pet for matching the calm pace. Shorten the distance gradually over multiple sessions, and keep the pet from ever being positioned between the horse and a fence. Free access around the horse, if it comes at all, comes after weeks of this parallel work, and many owners sensibly keep dogs leashed in the barn area permanently.
Handlers, timing, and a plan everyone follows
Large-animal introductions go wrong when they are improvised: a visitor lets the dog out, a helper leads the horse past an unrestrained pet, a session runs long because it seemed to be going well. Fix the routine in advance, who holds the horse, who holds the pet, where sessions happen, and what ends one early. Organising those roles in KinsLe through Care Teams, where each introduction session has named handlers for both animals and is marked complete with its time, means this Walking Horse meets the resident pet under the same controlled conditions every single time.