John Wesley Powell John Wesley Powell was born 24 March 1834 at Mount Morris in western New York state. His parents moved to Illinois, where he was educated at Wheaton and Oberlin colleges.
Whereas fertilized chicken eggs usually take exactly 21 days to hatch, most duck eggs take 28 days, apart from Muscovy ducks. As a general rule of thumb, the eggs of Muscovy ducks take 35 days, but once again, it can vary slightly depending on conditions.
Best Answer: Duck eggs need to be incubated for 28 days. That is 28 days from the time she starts sitting on them. It may take her a couple of weeks to lay enough eggs for her to start sitting. When she feels that her clutch (group of eggs) is the right size, she will start sitting.Wait for 28 days.ggs from common ducks like Pekins require 28 days to hatch. Eggs from Muscovy ducks hatch in about 35 days after setting. When larger numbers of duck eggs are to be hatched, large commercial incubators (setters) and hatchers are normally used.