For eggs it's either circuit network timer or 10 minutes belt trip for an egg with some breathtaking Gleba scenery (mostly just parallel belts :D ).

Actually this can be done with Heating tower. You can have single passive provider chest that is filled via biochamber with pentapod eggs. You then ...

You seem to be forgetting about the other pair of inserters ?

I don't think it matters what kind of inserter are you using. I have tinkered with it for a while and couldn't figure any way to have continual flow of items that would result somehow in filtering based on spoilage.

Sounds like at ...

Because it matters for research how spoiled they are, plus they can just spoil, you want to grab the fresher batch of the 2.000 but atm you can't!
Hmm, I haven't tried exporting Gleba science yet, but couldn't you have two boxes, one for less spoiled, one for more spoiled, and have inserters ...

Cross referencing (thank you Koub for pointing me here) since it is basically same idea, just the solution is proposed differently.
viewtopic.php?p=637248

It would be cool if we could filter on splitters / inserters by freshness. The current state of priority picking most / least spoiled items is not enough in my opinion. We currently have the ability to filter by quality so in my opinion it makes sense to be able to filter by freshness percentage too ...