21 days
The rooster does not sit on the eggs. He needs to be taken out before the eggs hatch, he can kill the chicks. Chicken eggs take 21 days to hatch, it doesnt matter if its under the hen or in a incubator. A hen will sit on her eggs most of the day, only getting up to eat and drink.  6. Record the day and how many eggs you've incubated on a calendar. You should be able to estimate your hatch date based on average incubation times for the bird species you want to hatch. For example, chicken eggs typically take 21 days to hatch, whereas many duck varieties and peafowl may take 28 days. Candle the eggs after 7 to 10 days. Candling the eggs is when you use a light source to view how much space the embryo occupies within an egg. After 7 to 10 days, you should see development of the embryo. Candling allows you to remove eggs with embryos that are not viable. 21 days from the day they are set into the incubator (not from the day they are laid). A broody hen will collect a clutch for up to one week before setting on the eggs and they will all hatch within about 12 hours of each other. Rather it's under a hen or in a incubator. Although if the incubator temperature is a little high,lets say 100.5 - 101 they may hatch a da … y early. If it's to low,lets say 97-98.5 it may take a day longer. Any temperature under 97 or over 102 for very long,they probably wont hatch or will have problem after hatching. So, how long does it take for fertilized chicken eggs to hatch? The answer to that is 21 days exactly, although you need to bear in mind that this can vary, depending on a number of circumstances. If for some reason the temperature has dropped below the correct temperature on a few occasions, you could find some of your eggs only hatching on day 22, 23, or even on day 24 or 25. 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 condition Turkey eggs usually take 21 to 28 days to hatch depending on what they are incubated in like an incubator or by a hen. It also depends on how fertile it is and how it is cared … for. It usually takes closer to 28 days. + 158 others found this useful. Rather it's under a hen or in a incubator. Although if the incubator temperature is a little high,lets say 100.5 - 101 they may hatch a da … y early. If it's to low,lets say 97-98.5 it may take a day longer. Any temperature under 97 or over 102 for very long,they probably wont hatch or will have problem after hatching. If on the other hand you use an incubator in order to hatch fertilized chicken eggs, they can sometimes hatch a day or two early, or they can also hatch out a few days late. Things like humidity and temperature play a significant role. If for some reason the temperature has dropped below the correct temperature on a few occasions, you could find some of your eggs only hatching on day 22, 23, or even on day 24 or 25. 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 Related tutorials: How-To #2: The First 60 Days. General Hints. First things first-eggs should hatch in 21 days, though some may hatch a day or 2 early and some a day or 2 late, after the incubation period began. Turning. Turning is essential during the first 14 days of incubation and should be continued until 3 days prior to the eggs expected hatch day. If hand turning, always turn the eggs an uneven number of times a day, so the eggs do not spent two nights in a row in the same position. Uploaded on Sep 7, 2010. Here is a neat and easy project on how to make a chicken egg incubator. Doesn't take long to make. The eggs will hatch in 21 days. I give you all the guidelines for successfully incubating the chickens including what to do and how to make the incubator. About My Channel: I have hundreds of videos covering all kinds of creative projects.
https://ph.answers.yahoo.com/question/index?qid=20071012093439AAfAERG http://www.wikihow.com/Use-an-Incubator-to-Hatch-Eggs http://www.answers.com/Q/How_long_does_it_take_to_hatch_a_egg_in_a_incubator http://www.localharvest.org/blog/26992/entry/how_long_does_it_take http://www.answers.com/Q/How_long_does_it_take_to_hatch_a_egg_in_a_incubator http://www.localharvest.org/blog/26992/entry/how_long_does_it_take http://www.backyardchickens.com/a/how-to-incubate-hatch-eggs-just-21-days-from-egg-to-chicken http://www.youtube.com/watch?v=WQ1tyfvenqQ
how long does it take to hatch a chicken egg in an incubator