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We all have our favorites but it’s all really just personal preference. Some people will only go organic, some prefer vegetarian, and some like me prefer some animal protein in their feed. Some go by price, some go by percent protein. Some avoid corn or soy products. The truth is that they all work.
I don’t know how old yours are. If they are still growing they should not have Layer. The extra calcium in it is hard on growing chick’s internal organs. But once they get laying age they need the extra calcium for the egg shells. Usually 20 weeks is given as the cut-off age for switching to Layer.
Some people never feed Layer. They feed Grower or Flock Raiser and offer oyster shell on the side.
The other thing about feeding them things other than commercial feed is that they need grit so they can grind it up in their gizzards. If they have access to the ground they’ll find their own grit. If they are caged where they can’t get to the ground you need to provide something. You can buy grit at the feed store or you can collect gravel (smaller than the size of a green pea) from somewhere, say a gravel driveway, a sandy beach or streambed, maybe a bag of pea gravel or construction sand.
Hope this helps and once again,