I G. R., Wedana, Bidura, I G. N. G., AND Candrawati, D. P. M. A.. " THE EFFECT OF FEEDING LEVEL OF B-6 CELLULOLYTIC BACTERIA PROBIOTIC ADMINISTERED THROUGH DRINKING WATER ON THE EGG PRODUCTION OF LOHMANN BROWN HEN 40 - 48 WEEK OLD" Jurnal Peternakan Tropika [Online], Volume 6 Number 2 (6 July 2018)