I was gonna post that he probably has gout from that feed, but I've been beaten to it.
If you have anything at all in your flock other than hens that are laying, you shouldn't use layer feed. Get a mixed flock feed or a starter feed and just offer calcium on the side. Even older hens who aren't laying anymore can be harmed by the excess calcium.
If you have anything at all in your flock other than hens that are laying, you shouldn't use layer feed. Get a mixed flock feed or a starter feed and just offer calcium on the side. Even older hens who aren't laying anymore can be harmed by the excess calcium.