I would recommend a "two week shut down" immediately.
I'd not worry about canned food not having the proper nutrients, it has to, to be on the shelf. But you could soften kibble, too, by soaking it a while before her meal.
Deer meat can have all kinds of issues if given raw, including worms and even a type of "mad cow", I forget what it's called though. Hopefully she's avoided those issues.
Two week shut down instructions (and reasoning behind it)