25 to 29 days
Mallards lay between 8-12 eggs and muscovies lay between 12-18 eggs. The egg laying process lasts for an equal number of days (it takes 12 days to lay 12 eggs). Once egg laying is complete, she will leave the male (who will wait at the water for her) and she will begin incubation on the nest fulltime.  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. (Female ducks will sit on eggs even if they are not fertile, but if it goes much over a month with none hatching, you can assume that the eggs were not fertile and you should take them away so that Jill can move on to other things.). just♪wondering · 9 years ago. Thumbs up. 2. RE: How long does a female duck sit on her eggs for before they hatch? My female duck has laid eggs and has been going back and forwards sitting on them for the last week and i just wounded how long it takes for the eggs to hatch once she has laid them? I have a mother duck who laid eggs 6 of them. She has been sitting on them more frequently now. It has been 14 days since we discovered her. I noticed today the nest was empty since early morning 8:00am and she has not come back and now it is 3pm. Chicken Sit About 3 Weeks Ducks Sit Around 28 Days   Answer   The duck does not sit of the eggs to hatch it. They are hatched in the normal weather. Duck egg … s, depending on species, incubator temps, and humidity levels, take between 25 and 35 days to hatch. Best bet is to do a specific search on the type of duck egg you are looking to hatch, i.e., search query: How long for Mallard duck eggs to hatch? Or How long for Peking D Rating Newest Oldest. Best Answer: Duck eggs take 28-30 days to hatch, except for Muscovy eggs, which take 35 days. If you find a wild duck's nest on your property and don't see the mother on the eggs, don't necessarily worry. I have a mother duck who laid eggs 6 of them. She has been sitting on them more frequently now. It has been 14 days since we discovered her. I noticed today the nest was empty since early morning 8:00am and she has not come back and now it is 3pm. Ducks lay an egg every day or two until they have a full clutch (usually 8 to 15); only then will the mother start to sit on them. It takes the eggs 28 days to hatch from when she starts sitting all the time. When they hatch, she will soon lead them to a nearby body of water. I have a mother duck who laid eggs 6 of them. She has been sitting on them more frequently now. It has been 14 days since we discovered her. I noticed today the nest was empty since early morning 8:00am and she has not come back and now it is 3pm. Chicken Sit About 3 Weeks Ducks Sit Around 28 Days   Answer   The duck does not sit of the eggs to hatch it. They are hatched in the normal weather.   I have a duck … sitting on her eggs for about 2 weeks that I know off. 16 people found this useful. Chicken eggs take approximately 21 days to hatch. Duck egg … s, depending on species, incubator temps, and humidity levels, take between 25 and 35 Duck eggs take 28-30 days to hatch, except for Muscovy eggs, which take 35 days. If you find a wild duck's nest on your property and don't see the mother on the eggs, don't necessarily worry. In general 3-4 weeks. BUT. Ducks can spend a week laying eggs.. the timer for hatching does not begin until they actually begin to sit or brood.. Fertile eggs can be laid and sit and be fine with no mom on them. A wild duck nesting on your property is likely to be a mallard. Her eggs take 25 to 29 days to hatch, according to the U.S. Geological Survey website. Before she begins to incubate, she lays one egg a day, usually ending up with a clutch numbering about a dozen. 
http://wildliferehabber.com/content/duck-information https://answers.yahoo.com/question/index?qid=20061008190539AAujWrD https://answers.yahoo.com/question/index?qid=20061101083314AAsXTym http://www.answers.com/Q/How_long_ducks_sit_eggs https://answers.yahoo.com/question/index?qid=20061101083314AAsXTym https://answers.yahoo.com/question/index?qid=20061101083314AAsXTym http://www.answers.com/Q/How_long_do_mallard_Ducks_sit_on_her_eggs_before_they_hatch http://pets-at-home2.blogspot.com/2010/05/how-long-does-female-duck-sit-on-her.html http://animals.mom.me/long-duck-hatch-11266.html
how long do mallard ducks sit on eggs