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.
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.
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