Raising animals in Stardew Valley will require you to have the appropriate building for it, like the barn. Having a barn allows you to raise cows, which reliably provide milk, so long as you take care of them. But if you really want to maximize the value of your barn animals, you will want to upgrade the structure. Upgrading the barn unlocks new animals, increases the number of animals you can have, an auto-feed feature, and more. Here are the details on how to upgrade from the base barn to...
