The Day-Care is more than a nursery. Used well, it lets you hatch Pokémon with moves they would never learn on their own, pass down chosen DVs and obtain Shiny Pokémon over a hundred times more often than in the wild.
This guide goes beyond the basics in our The Day-Care and Eggs guide: Egg Groups, breeding chains, precise DV transmission and a complete method for breeding Shiny Pokémon.
Everything that follows applies to Gold, Silver and Crystal, with the rules specific to the second generation, which differ from those of later games.
