Scheideler, 1998. J. Appl. Poult. Res., 7 (1): 69-74 Document reference Scheideler, S. E., 1998. Eggshell calcium effects on egg quality and Ca digestibility in first- or third-cycle laying hens. J. Appl. Poult. Res., 7 (1): 69-74 Web http://japr.fass.org/cgi/content/abstract/7/1/69Citation key Scheideler, 1998Datasheets Eggshells