if you find you have weak shells add oyster shell to their feed.
http://msucares.com/poultry/feeds/poultry_thin_shells.html
also check this site out. I have thought about getting some but really dont have time.
http://www.backyardchickens.com/coops/kim_tulsa.html
http://msucares.com/poultry/feeds/poultry_thin_shells.html
also check this site out. I have thought about getting some but really dont have time.
http://www.backyardchickens.com/coops/kim_tulsa.html