ABSTRACT. The aim of this research was to study the addition of an acidifier in feed containing probiotics on protein performance in Sentul chickens. The material used was 60 female Sentul chickens aged 6 months. kept for 2 months in 20 units of battery cages. https://www.roneverhart.com/10mm-Male-GRAV-Angled-Quartz-Banger-45/