Yes. I read that too, but I've also cracked open fertilised 3 day incubated eggs (damaged shell) and there really isn't a lot there. So I can't see it doing any harm. Hard to say if it's of benefit unless you split the hatch and provide exactly the same incubation conditions.
Side note: English...
The mood lighting comment made me laugh. I was thinking that. 😁
Locally, shipped eggs are having a hard time at the moment. Everything is taking longer to arrive and higher mail volumes probably means more bashing. In my head I'm writing off 50% before they even arrive. I'm stopping ordering for...