In this May 8, 2019, photo, a pig walks through a nearly-empty barn at a pig farm in Jiangjiaqiao village in northern China's Hebei province. Pork lovers worldwide are wincing at prices that have jumped by up to 40 percent as China's struggle to stamp out African swine fever in its vast pig herds sends shockwaves through global meat markets. (AP Photo/Mark Schiefelbein)

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