After Etan disappeared, investigators tried what was then a novel technique to try to find him: They put his face on thousands of milk cartons, a technique that would become more common in the next few years.

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No idea how long I was down, but a dream and a half later I found myself on my knees, my face on fire, holding in my hands not the milk but a huge Yale padlock.

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But some producers said it was not clear if the investment would lead to higher milk prices, which they claim is the "biggest issue" they face.

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The price of milk, cheese and other dairy products is also expected to surge, while ranchers face steepening feed costs.

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