Route 34 is where the Day Care is located (south of Goldenrod City). To breed, you must:
- Leave a male and female of the same species together, OR
- Leave a male and female of the same egg group together, where the female is the Pokemon / evolution of the Pokemon you want to be bred.
- Leave a male or female of a species witha Ditto.
Note: No Pokemon in the Undiscovered egg group may breed.