Why are these fertile eggs not developing?

[McChooky]

?

The OP admitted her Seramas had never laid before popping out 12 very small eggs out of nowhere.(fairy eggs?) Eggs much smaller in comparison to other eggs the same breed shouldn't be incubated.

 

[The-White-Elephant]

The OP admitted her Seramas had never laid before popping out 12 very small eggs out of nowhere.(fairy eggs?) Eggs much smaller in comparison to other eggs the same breed shouldn't be incubated.

Ooh