You can do this if you want to save money.

Okay..

First, build a fence on the field then place the chickens in there. You can leave those chickens outside without putting them back. Even at night! You can leave them there forever but, remember the weather. You can always do the other cheat I had submitted (Not really a cheat^^). As for the cows and sheep, you would need more time and patience. Build a
fence and plant grass there! (Be sure there will be enough grass to feed them all because the grass grows back fully in a week) Unlike the chickens, they can't stay outside when it is Winter because the grass can't grow[Obviously :)] Doing this, you can save gold!