Can I set my fertile hatching eggs as soon as I receive my shipment? Meghan September 24, 2018 13:19 Updated Follow No. Please let your fertile hatching eggs sit for at least 12 hours before placing them into the incubator. Related articles How long can I store fertile hatching eggs before beginning incubation? Guide to Incubating and Hatching Chicken Eggs How are fertilized hatching eggs shipped to me? Hatching Eggs Breed Key Day Old Chick Identification Comments 0 comments Please sign in to leave a comment.