Strain improvement is aTechnology of controlling and improving microbial strains so as to enhancemetabolic abilities. The coordinated improvement of product formation or cell properties through adjustments of explicit biochemical pathways or by presentation of new pathways utilizing recombinant DNA innovation Advances in Dairy Research, Research and Reviews: Journal of Food and Dairy Technology, International Journal of Advance Industrial Engineering, Research and Reviews: Journal of Food and Dairy Technology, African Journal of Dairy Farming and Milk Production, Global Journal of Dairy Farming and Milk Production, International Journal of Plant, Animal and Environmental Sciences