Most will break in three days if done properly, 5 if they have been broody a long time. The longer they are broody the longer it takes. Caught early I can break mine in two days. You will tell it was successful because she will stop puffing up and making all those noises, screeches and cluck cluck.
Chickens, muscovy ducks, turkeys, donkeys , goats, dogs, bunnies, fish, parakeets, a parrot, and a cat.