From the last few decades, poultry industry has achieved its unpredictable milestone through the various advanced scientific approaches. Commercialization of poultry farming established the new era to improve production quality with cost-effective management. However, competitiveness of the poultry business has increased the use of antibiotic as a growth promoter which produces residual effect and adversely affects the human health. Poultry nutritionist, have subjected various alternative sources as a performance enhancers in the chicken. MOS and probiotic is one of the best sources to improve the cost-effective poultry production cycle. This book, providing a new alternative to the poultry feed enterprises, poultry professionals (nutritionists), poultry feed developer and commercialized poultry farmers or anyone else who may consider, for the low-cost improved quality poultry production and can by such feeding supplementation.