Not by much! My extended family and I bought a bison's worth of meat for freezing last year and donated some of it. There were 3 nuclear families of 2-6 people, and only the family of 6 finished their portion 4 months later.
Now, Amber wouldn't be suitable for human consumption, but that gives you an idea of how long her body could sustain other people.
Then let's find a ship big enough to fit her and send her up to Alaska.