Confidence changes the equation
Dog-and-cat households often fail because the cat flees and the dog's chase instinct takes over. The Japanese Bobtail's self-assurance stacks the odds differently. This breed typically meets novelty by investigating it, tail up, rather than bolting, and a cat who walks instead of running is far less interesting to most dogs. Many Bobtails go further, actively befriending the household dog, joining walks to the door, sharing the sunny rug, and occasionally joining in the dog's games.
That confidence is an asset, not a guarantee. A Bobtail who has never seen a dog still needs a proper introduction, and her boldness can lead her to approach a dog who should not be approached. The household's job is to control the meetings until both animals have proven how they behave.
The dog still makes or breaks it
As with any pairing, the dog's temperament carries the most risk. The right dog is cat-experienced or demonstrably calm around cats, responds to being called away, and can watch a cat move without stiffening, staring, or whining with frustrated intensity. The wrong dog has a strong chase drive, guards food or toys fiercely, or has ever injured a small animal; a confident Bobtail cannot compensate for any of that.
Size is not the deciding factor owners expect. A large, placid dog is frequently safer company than a small, excitable one who snaps during play, so judge the individual dog's behaviour around cats rather than his breed or weight.
Setting up the first meetings
Start with separation and scent. Keep the cat in her own room, swap bedding between the animals, and feed both near the shared door so the new smell predicts good things. Let the Bobtail explore the dog's areas while the dog is out of the house, leaving her scent around the home before they ever meet face to face.
When they do meet, keep the dog on a lead, let the cat choose her distance, and keep it brief. Reward the dog for calm glances away from the cat, and end the session while it is still boring. Repeat daily, lengthening gradually, and only allow the dog off lead in the cat's presence once his behaviour has been reliably dull for several sessions in a row.
Life after introductions
Even friendly pairs need architecture. The cat should always have routes the dog cannot follow: a gate the cat can slip through, high shelves, and at least one dog-free room holding her litter tray and a feeding station. Feed the animals apart, since a Bobtail's confidence does not extend to sharing dinner with a dog hovering over her bowl, and supervise play, because a game that is fun at cat weight can injure when a dog joins in.
Watch for slow problems rather than dramatic ones: a cat who starts eating only when the dog is out, avoids whole rooms, or grooms excessively is asking for more separation, even if no incident has ever occurred. If the dog's focus on the cat intensifies rather than fading over the first weeks, involve a qualified behaviour professional early rather than waiting for a crisis.
Past experience is valuable information
A Bobtail who has already lived happily with a dog brings that confidence with her, while one who was chased in a former home may need a much slower plan, and a new owner deserves to know which cat they have adopted. KinsLe Transferrable Profiles move a Japanese Bobtail's recorded history and routines to the new owner intact, so prior dog experience, good or bad, is part of her profile from the first day.