List of Articles promoter gene PRL Open Access Article Abstract Page Full-Text 1 - Effect Analysis of Prolactin (PRL) Gene Polymorphisms on Chicken Egg Productivity (Gallus gallus domesticus) BC1 from Crossbreeding between Pelung and Layer Chicken R. Kilatsih A.B.I. Perdamaian T. Joko S.H. Purwanto B.S. Daryono