United States inventory of all hogs and pigs on September 1, 2019 was 77.7 million head. This was up 3 percent from September 1, 2018, and up 3 percent from June 1, 2019. This is the highest September 1 inventory of all hogs and pigs since the estimates began in 1988.
Breeding inventory, at 6.43 million head, was up 2 percent from last year, and up slightly from the previous quarter.
Market hog inventory, at 71.2 million head, was up 4 percent from last year, and up 3 percent from last quarter. This is the highest September 1 market hog inventory the estimates began in 1988
The June-August 2019 pig crop, at 35.3 million head, was up 3 percent from 2018. This is the largest June-August pig crop since estimates began in 1970.
Sows farrowing during this period totaled 3.18 million head, down 1 percent from 2018. The sows farrowed during this quarter represented 50 percent of the breeding herd.
The average pigs saved per litter was a record high of 11.11 for the June-August period, compared to 10.72 last year.
Friday September 27, 2019/ USDA/ United States.
https://usda.library.cornell.edu