I have a bantam flock - frizzled D'Uccle/cochin mixes and a silkie. Barney had 8 girls. Over a 2 month period 2 of the silkies died, leaving Barney and 6 girls. When we have checked the eggs, there was between 90 and 100 percent fertile. In the begining of July, they hatched out 6 chicks. In August, they hatched out 12. For 2 weeks now, 5 of the 6 have been sitting on eggs. I had not been able to go check them because I hurt my knee and couldnt get into the back corner of the coop where they are. So tonight, I made the hubby go check eggs. He pulled 18 out from under the girls, leaving maybe 6 or 8 under them. Out of the 20 we checked, not one was developing. Totally clear, every last one! Is it possible for a rooster to lose fertility? He is just over a year old. I have seen him busy with the girls, and as far as I know, nothing has changed. Any ideas?