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Mr. Bowman poses beside a pasteurization vat.
Mr. Bowman poses beside a pasteurization vat.
Karl Kazaks
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  • Mr. Bowman poses beside a pasteurization vat.
  • Chris Bowman adjusts the bottling machine.
  • Jugs are filled with milk and capped at the Homeland Creamery and Dairy Farm in North Carolina.
  • From start to finish: A cow eats hay as she waits to be milked at a farm in Vermont.
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For kids: Milk's trip from cow to you

On their dairy farm, two brothers oversee the journey of milk from their cows into cartons and finally to corner markets.

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Everyone knows that the milk you find at grocery stores comes from cows. But have you ever thought about what happens to milk from the time it leaves the cow to the time you pour it into your glass?

One place to find out is at Homeland Creamery. It's a small family-run dairy and milk plant in North Carolina.

Most dairies ship their milk to another location to be processed. But at Homeland Creamery, Chris and David Bowman have been processing and bottling milk on their own farm since 2001.

The brothers are the sixth generation of their family to farm the same land. They process and bottle milk from their cows three days a week.

"On bottling days, we're able to get milk that came out of the cows that morning on the store shelf that same morning," Chris Bowman says.

The first step is to milk the cows. At Homeland Creamery, that's done twice a day, early in the morning and in the afternoon. Automatic milking machines take the milk directly from the cows' udders to a storage tank, where it is kept at a temperature of 37 to 39 degrees F.

Next they have to decide what kind of milk they want to produce that day. The Bowmans make whole, skim, low-fat, and chocolate milk, as well as buttermilk. During the winter, they also make eggnog for the holidays.

All of the processing work takes place in the milk plant. That's a separate building from the milking parlor (the building where the cows are milked).

If it's time to bottle whole milk, the first thing that happens once the milk is pumped into the plant is pasteurization.

In this process, milk is heated to kill bacteria and other microorganisms. It also makes milk stay fresh longer.

Many large milk plants use a method called high-temperature, short-time pasteurization. That means the milk is heated to a high temperature for a just a few seconds and then cooled.

Homeland Creamery uses a different technique because its processing equipment is from the 1950s.

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