I started with 41 eggs. I have 14 cute chicks, mostly black & yellow. 13 Chicks never pipped 11 eggs that were sterile or just plain bad. 3 Guinea eggs still to go. I know what some of my errors were. When I candled them I dont think I got them all back in the turner correctly. I guess we learn from our mistakes. I buried the 13 chicks, couldnt bring myself to trash em.