Epic Games has also stated that they plan on adding new gameplay features to the mode in future updates, so hopefully we won’t have to wait too long for animal breeding to become a thing.

Breeding animals also drops between one and seven experience points each time. ... Baby piglets will fully develop after 20 minutes of in-game time. A baby piglet being bred in Minecraft ...

Breeding boar is a simple matter of leaving food on the ground in front of two hungry, tame boars; once they eat, they become happy, and have a chance to breed.

Animal Breeder 2 is a role-playing/breeding game developed and published by J-Wing for the Game Boy platform. It was only released in Japan.

The Beast breeding process in Hogwarts Legacy takes 30 minutes, so do a quest or grab some food if need be. When that's done, you'll see an offspring. Pet and give it treats.