How Long Does Duck Egg Take To Hatch. Once a fertilized duck egg begins incubation (via momma duck or an incubator), it takes about *28 days to hatch. The incubation period for chicken eggs is 20 to 21 days, and increases up to 30 days for other poultry.
When collecting duck eggs to hatch, be sure they are kept at 65u00b0f to 75u00b0f. It takes duck eggs an average of 28 days to hatch. Muscovy duck eggs, however, require at least 35 days before they hatch.