You can use 300mg of the calcium citrate. If you have 600 mg of calcium that is okay to use as well. There was some discussion her recently because many thought that 600 mg was the dosage, but some found out that the tablets may only have 300 mg. I think Azygous realized that was enough. The...
That is Purina layer feed right? If she is getting the calcium and she still is not laying hard shells, then she may have a problem with her oviduct and she’ll gland. I would use human calcium citrate tablets with D3. You can give one of those daily for a week. They will swallow it if placed in...
You can give that (injectable calcium gluconate) orally I ml for a 5 pound chicken. I would give it directly into her beak so that it will work more quickly.