The objective of this research is to determine the effect of lysine amino acid on Arabian chicks (Golden brakel kriel) performance on phase I fed with synthetic lysine amino acid in basal diet. This research was held on Balai Pembibitan Ternak Unggul Sapi Dwiguna dan Ayam (BPTU) Sembawa, Banyuasin for 2 months. This research used completely randomized design with 5 treatments and 4 replications…