The productivity potential of our livestock has not been fully exploited because of deficit feed resources and under-utilization of available improved technologies. For getting high productivity from livestock at economic rate, it is essential to enhance the feeding value of available feed resources. To provide better nutrition to fast growing animal population, it was realized that these fibrous crop residues must be used in such a way that could provide required amount of energy, protein and mineral to the animals at a desired level. The supplementation of probiotics (bacteria/fungi/yeast)...