This is how Iowa State Fair babies are made

Catch up fast: Daily live animal births debuted as an ongoing attraction at the fair about 15 years ago and it is now one of the fair's most popular exhibits.

• Some families wait hours to watch an event.

🐮 State of play: Key the moo lighting. Gestation calculators and apps are used to help select the perfect time to "expose" an animal.

• Births aren't always precise but farmers and animal scientists have greatly fined tuned the process, Wynn said.

1 fun thing: Here are the estimated due dates should one of these creatures have an unprotected encounter at todays' fair.

• Cow: May 27, 2023
• Duck: Sept.14, 2022
• Human: May 10, 2023

Go see the babies: The Paul R. Knapp Animal Learning Center, just east of the midway.

• 9am-8pm during the fair.