It can also be cause by temps that are too low and a host of other things. It's a wonder any of them ever make it out into the world!
You can find links to a couple of incubation troubleshooting docs here: http://www.countrychickens.com/country_chickens_4_005.htm
Kathy, Bellville TX
www.CountryChickens.com
You can find links to a couple of incubation troubleshooting docs here: http://www.countrychickens.com/country_chickens_4_005.htm
Kathy, Bellville TX
www.CountryChickens.com