Nothing wrong with beach shell - its how they would get it in nature. I offered the other suggestions as a convenient way to get a bit of extra P into birds needing extra calcium.
Chickens can't used plant-based phosphorus, your feed contains no animal sources which might provide trace...
Thanks. I hate your feed labels, btw. Not enough info to make a good decision.
The 4% fat is not an issue in the feed, nor is its kcal/kg number concerning. I'd love to see more phosphorus (half again as much, 0.6%) but that has nothing to do with fat levels, either. Honestly, based on the...
No, if its weekly, you are fine.
and yes, I don't recommend feeding scratch. When I need to encourage "scratching" behavior, I simply scatter pellets or crumble (which is what I currently feed). Honestly, with my birds, anything I throw is "treat" in their little dinosaur minds.
You'd be surprised how much I've learned when someone asks a question none of us know the answer to - so we sat down and worked it out. You don't know what you don't know, until...
If the Roos are fat, safe bet the hens are fatter. I butcher my own, and hens always have more fat than roos raised in identical conditions - they need it for when they get broody.
Continue cutting out the scratch, boiled eggs should be one per five birds. We did the math.
Beyond that, I'd...