Is that a US thing? Because here in my country chickens are still chickens and eggs still eggs.
Yes.
Also, amongst pasture raised eggs, there is some new vendors attempting to reduce PUFA content of their eggs by experimenting with new blends of supplemental feed.
For example: https://angel-acresfarm.com/products/low-pufa-corn-soy-free-eggs
Is that a US thing? Because here in my country chickens are still chickens and eggs still eggs.