This may be kind of nerdy. Just for fun, I decided to calculate my flock fertility. We had 31 eggs set in our incubator on day 1. On day 14 I pulled out 8 eggs and did "eggtopsies" on them to make sure I was correct in my assumptions. All 8 were indeed infertile. So 23viable eggs / 31 total eggs x 100 gave me a flock fertility of 74%. We have 10 hens and 2 roosters. So we have a hen:rooster ratio of 5:1. With a 5:1 ratio we have calculated a flock fertility of 74%. Based on these findings, to increase flock fertility it would be wise to add one more rooster to lower the hen:rooster ratio.
It was just very interesting to come to the conclusion mathematically that to get close to 100% fertility in your flock a 3:1 hen:rooster ratio will give you the best results. I know, I know, I'm a huge nerd!
On a side note, have anyones eggs pipped or started rolling around? Very excited to see some fluffy chick pic's. We don't go on lockdown until friday.