Its obvious that chicken farmers do not desire a chicken yard that is filled wit roosters. So I wrote the following article to help 
I heard that it is an old wives tale that chicken eggs that contain a pointed end contain roosters, while the eggs that are rounded at both ends are female (even if this is only 80% true, I think that 80% success rate is better than a 50/50 chance)
If you need to confirm the gender of the chicken after the egg hatches:
