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How to make a cat and dog get along
Prepare for the introduction.
Whether you are bringing a new cat or dog into a home that already has a cat or dog or you are trying to make your existing pets get along better, you need to create a good foundation to build on. To begin with, make sure that your home has ample space for the two pets to have some space away from each other.
You will need to keep the pets separated for several days, so multiple rooms in your home are necessary. Also, make sure that the dog will follow your commands.