The process of bringing animals is fairly complicated. Make sue you plan lots of lee time.
Your animals will need their own passports (document with vaccination records). Some vaccinations also have minimum gestation periods (several months with additional vet checks and signatures) before animals are permitted into Canada. You may also have to go to specific state vets or specifically certified vets.
Transportation is also somewhat complicated and very expensive. If you need to ship your animals by plane, in the hold, make sure that the plane you are sending them has a heated hold. Not all holds are and obviously you do not want your animals to freeze (Canada being pretty cold)
There are often some travel agencies that specialize in moving animals. Might be worth exploring that option if you are concerned.
To make sure you are compliant I suggest you look at this https://travel.gc.ca/returning/customs/bringing-your-pet-to-canada
Good luck, this is complicated and expenses. Hope you succeed
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