Peter Posted September 23, 2020 Share Posted September 23, 2020 My ladies have been laying so very well but when they were about 18 months old the egg shell was so very very thin and sometimes break in the nesting box. I have always give them oyster shells as grit to help them to digest but also to boost there calcium levels but did not make any difference to the shells. So I thought I would give them calcium carbonate and after 6 weeks there egg shells have got back to a good condition nice and strong.I just sprinkle a teaspoon of Calcium Carbonate in there mash in the mornings. Peter Quote Link to comment Share on other sites More sharing options...
