Incubation Chart

 The following table lists incubation requirements for various species of fowl.

Species Incub. Period 
(days) 		 Temp 
(F.)¹ 		 Humidity 
(F.)² 		 Do not turn 
after 		 Humidity 
Last 
3 days ²		 Open vent 
more
Chicken 21 100 85-87 18th day 90 18th day
Turkey 28 99 84-86 25th day 90 25th day
Duck 28 100 85-86 25th day 90 25th day
Muscovy Duck 35-37 100 85-86 31st day 90 30th day
Goose 28-34 99 86-88 25th day 90 25th day
Guinea  Fowl 28 100 85-87 25th day 90 24th day
Pheasant 23-28 100 86-88 21st day 92 20th day
Peafowl 28-30 99 84-86 25th day 90 25th day
Bobwhite Quail 23-24 100 84-87 20th day 90 20th day
Coturnix  Quail 17 100 85-86 15th day 90 14th day
Chukar 23-24 100 81-83 20th day 90 20th day
Grouse 25 100 83-87 22nd day 90 21st day
Pigeon 17 100 85-87 15th day 90 14th day
 

¹ Measured at degrees F. in a forced-air incubator. For still-air incubators, add 2-3 degrees F.
² Measured as degrees F. using a wet-bulb thermometer. Use chart to convert to relative humidity.

Mississippi State University Extension Service

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