EFFECT OF PROBIOTIC ADMINISTRATION Bacillus subtilis BN Strain ON QUALITY OF CHICKEN EGGS

This reseacrh aims to find out the effect of probiotic administration Bacillus subtilis BN Strain on shell thickness, white index and chicken yolk index. research used 38-week-old layer laying hens as many 24 heads, randomized into four treatments with eight replays. Treatment consists P0 without addition probiotics, P1 0.005 grams / kg feed, P2 0.01 feed P3 0.02 feed. Based analysis statistical data, Analysis Of Variance (ANOVA) test showed no noticeable difference (p>0.05) thickness shell, or egg The results that grams/kg kg/kg had increase in