Where can you breed your horses on petz horse shoe ranch for nintodo?

It seems you're asking about breeding horses in a game called "Petz Horse Shoe Ranch" for the Nintendo platform. Unfortunately, I need more information to answer your question accurately:

* What Nintendo platform are you referring to? Is it the Nintendo DS, Wii, or another system?

* Is the game called "Petz Horse Shoe Ranch"? This name doesn't appear to be an official game title. Are you sure about the name?

Once you provide me with these details, I can try to help you find information on where to breed horses in the game.