Step 1: Role of microbes in dairy industry.
The dairy industry uses microbes mainly for fermentation, flavour development and production of dairy products.
Step 2: Importance of Lactobacillus.
Lactobacillus converts milk sugar (lactose) into lactic acid and is essential for curd and yoghurt formation.
Step 3: Other useful microbes.
Penicillium is used in cheese ripening, while Streptomyces contributes to flavour and antibiotic production.