The aim of this research was to study the effect addition of phytase in basic diets contain rice brand and com to the performance of Arabian chicken eggshell in the first production. This research was held on Balai Pembibitan Ternak Unggul (BPTU) Sapi Dwiguna dan Ayam Petelur Sembawa for six weeks from January - February 2009. This research using completely randomized design (RAL) with six ....…