As of March 1, there were 74.8 million hogs and pigs on U.S. farms, down 2% from March 2020, and down 3% from December 1, 2020. Of the 74.8 million hogs and pigs, 68.6 million were market hogs, while 6.21 million were kept for breeding.
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Between December 2020 and February 2021, 33.3 million pigs were weaned on U.S. farms, down 1% from the same time period one year earlier. In the same period, U.S. hog and pig producers weaned an average of 10.94 pigs per litter.
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U.S. hog producers intend to have 3.07 million sows farrow between March and May 2021, and 3.12 million sows farrow between June and August 2021.
March 25, 2021/ USDA/ United States.
https://www.nass.usda.gov