It has reduced farm operations in Missouri, Utah, Arizona, California and the East Coast, it added.
Pork producers lost money last year as pig prices and consumer demand for pork struggled at a time of high costs for labor and other expenses, leading them to cut down supply.
Last year, Smithfield, owned by Hong Kong's WH Group 0288.HK, said it would end contracts with 26 farms in Utah, permanently close 35 farm sites in Missouri, and close a processing plant in North Carolina.
Tyson Foods, the biggest U.S. meat company by sales, shut an Iowa pork plant this year.
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