In July, production totaled 17.3 billion pounds. That’s up 0.4 percent from last year. Minnesota’s cow herd is down 1,000 head from June and down 6,000 head from last year. Minnesota’s milk output is down 0.2 percent. South Dakota’s cow herd increased by 4,000 head over the past year and July milk production was up 3.6 percent. Wisconsin milk production increased 1.2 percent. California declined 2.5 percent.