On an entirely different note. I am assuming that you have never had a wolf hybrid since you didn't know about he noise that these two animals would make.
If I am wrong, forgive my assumption.
Where are you located? In the states and laws differ from state to state it may be illegal to keep a wolf hybrid without a special permit, it is also illegal for vets who do not have vet on staff with a license to treat wildlife to treat or give your animal vaccines.
Some time spent researching the laws in you area may give you valuable information about the laws that govern keeping wildlife.
Summary of State Laws Relating to Private Possession of Exotic Animals
HybridLaw.com - State laws regarding Hybrid cats, wolves, dogs and other animals
Here are two such sites you can search for laws in the states.
Since you have her spayed, I'm assuming you have a vet that is able to treat her.
I would still research and look around for other vets in your area that have a licensed wildlife vet on hand if your vet is not available for some reason.
Just some thoughts, if you have already considered these things then I apologize for bringing them up.