Dr. Tajunnisa M
Initially a new member should be kept in a separate room for a few weeks. As dogs and cats produce their own scent which they use for territory marking along with urination, it's hard for the older ones to accept the new ones. During this separation period, you can switch the bedding on alternate days so that they get used to each other’s scent. Get them toys separately and swap between them. Give them playtime for few hours together under your supervision. Give them feeding and water bowls separately.