Yes, you can offer Oyster Shells separately at 16 weeks with Poultry Grit also separate.
My newest Flock 11 weeks old have Poultry Grit outside.. I will offer Oyster Shells inside near the feed in 5 weeks. GC
This time of year you can continue feeding Grower feed till all are laying.
Offer Oyster Shells in a separate container.
I am currently feeding an All-Flock feed to my 31 month olds.
I am finishing up a Start & Grow feed for my 11 week olds and will switch them over to the All-Flock feed.
My...