The purpose of this research was known the effect addition butyric acid to egg weight, albumin weight, yolk weight, and haugh unit value. This research was conducted for 2 months at layer farming cage in Suka Makmur Village, Talang KelapaSubdistrict, Banyuasin Regency, South Sumatera Province.The research method used is Completely Randomized Design (RAL) consisting of 4 treatments 5 replicationā¦