For what it's worth..... (think Farmer's Almanac)....
Llewellyn's 2012 Moon Sign Book is available for "preview," online. (different pages on different sites) I found some of the pages with dates for "fruitful," but not all of them. Those are the ones missing here....
Best dates to hatch (go back 21 days for the date to set chicken eggs) 2012:
January 7-8, 16-17, 25-26.
February 4-5, 12-13, 21-22.
March 2-3, 11-12, 19-20.
April
May
June 1-2, 9-10-11, 19-20, 28-29.
July 7-8, 16-17-18, 25-26-27.
August
September 1, 9-10,18-19, 27-28.
October 6-7-8, 15-16, 24-25.
November 3-4,12-13,20-21, 30
December 1-2, 10-11, 18-19, 28-29.
Joy, do you have this book? Page 161 (I think) has the egg setting dates, I believe.