The bullseye is not something you can see via candling.All egs ar full sized and in perfect conditionall have every thing they need to start babies... I have candled them....both hav bullseyes and everything seems to be intact.... Nothing small or abnormally large eggs and my chckens are well over 40 weeks and just started popping two out... Both hard shells yess i seen it... Then this morning bam another egg in the nest