Joke I don't understand 2

Question

Cual es el iso mas frecuente que se la da al cuero de cerdo?
De nabteber al cerdo en une pieza

Answer 1

As this was asked some 8 hours ago, I assume the poster has not come to a conclusion.

What´s the most common use for pig skin.
To keep the pig in one piece, (together).

Answer 2

Are you sure that you are copying these correctly?

¿Cuál es el uso más frecuente que se la da al cuero de cerdo?
De ¿(mantener)? al cerdo en una pieza.

Do you understand it now or do you need it translated?

It's hard enough to translate humor when written correctly. Impossible when not.