He had a choice: Be castrated, or be cooked.

He wasn't ready to die for his owners yet, so he chose castration.

However, he expected his balls to be cut off. He didn't expect them to bring out a tool, a Burdizzo. A device that was clamped down on his scrotum. he shouted in his restraints, trashing at the pain as his blood vessels were crushed in his balls. Soon, his balls would wither from lack of blood, and shrink. he would be useless as a breeder. At least he bought himself a few more months, but he had to wonder if it was worth it?