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In reply to the discussion: Seeking "cat-whisperer" advice ---- RE: New Cat in the house, compatibility with my older cat, etc [View all]Ino
(3,366 posts)Switch their places for at least a half-day, so your older cat can sniff around in the den, getting used to the new cat's scent on things, and vice versa. And so the new cat can put his scent on things in the rest of the house.
Rub a cloth over the new cat and then rub that on your older cat, and vice versa, so they end up smelling like each other. Or rub a cloth over the new cat, and put it in a spot where your older cat likes to sleep, and vice versa.
Best of all... can you stick some paper, yarn, or a toy under the den's door? Wiggle it around to get each cat interested in playing with it. Then they'll start sticking their paws under the door and end up playing with each other. That always did the trick for cat introductions in my house!