From late last year, the decline in milk consumption has led to an increase in powdered milk inventory, prompting urgent calls for countermeasures. According to the Dairy Promotion Association's powdered milk inventory status, the powdered milk inventory in May was 12,871 tons when converted to raw milk, a 79.3% increase compared to the same month last year. Since milk is a perishable product that cannot be stored long-term, it must be converted to whole or skim milk powder for storage, and as milk consumption decreases, powdered milk inventory is growing. In particular, dairy companies are exacerbating the inventory burden by increasing powdered milk production to handle excess raw milk. Liquid milk, which has a relatively short shelf life,