How long does it take to cook a 45 pound turkey?

My mom decided to grow her own turkeys this year. She started with 6 poults (a baby turkey) in May and they grew and grew. Unfortunately 2 died somewhere along the way, maybe the sat on each other or drowned, so that left 4.
The day of Thanksgiving I had to work, so my family graciously agreed to celebrate on Saturday. Brian and my mom had fun with the turkeys. They had to slaughter two turkeys, pluck and prepare and get them all ready to cook. What a job. I'm sorry I missed it. :)

Here is the turkey, all cleaned and ready for stuffing. 45 pounds!! A bit large, I agree. But, it fit in the oven (see the picture below) and cooked for about 12 hours.


We had plenty of leftovers...