Since the calf doesn't breathe in the uterus, it is totally dependent on the oxygenated blood from the mother. It was the lack of oxygenated blood that caused the death.

The calf didn't respond to any manipulation of the foot ? no response from calf, consistently.

We based our decision on the fact that the team we pulled together was extremely experienced with this procedure.

We don't know what happens in the wild.

Before this, the only female he had shared a tank with was his mother when he was 1.

I've always said that the first (NFL) check I get is going to my mother, ... I want to get her out of Pontiac (Mich.) and let her be able to live wherever she wants. She's always been such a big inspiration in my life. She's the one that has shown me the way, and I want to be able to pay her back.