Why are silkies so hard to hatch? i had a batch of 6 which failed to hatched seemed most died early on then had another batch of 6 and the same happened now i have a batch of 8 4 of which were infertile and 2 which died early on the other 2 are in lockdown today. i candled them before lockdown 1 was definantly moving unsure on the other one. why are they so hard????