According to DairyReporter.com, Dean foods has ended milk procurement contracts with more than 100 dairy farms, because consumers are drinking less fluid milk. The company will continue to buy milk from about 12,000 dairy farms. According to Dean Foods, Americans drink about three gallons less milk per person per year since 2010 and per capital consumption is down roughly 11 gallons since 1975.
For information about nondairy milks, see:
Guide to Non-Dairy Milks