Nutri-Pro W.S : The advantages of using probiotics in poultry enhanced growth and laying performance, improved gut histomorphology, immunity, and an increase in beneficial microbiota. Each probiotic strain confers varying levels of protective efficacy, which is why many commercial products use multi-strain probiotics The advantages of using commercial enzymes in poultry improved productive performance and feed utilization, minimized environmental pollution due to reduced nutrient of manure.