The U-S hog inventory was up 7 per cent from a year ago.
The USDA says there were 65 point 9 million hogs and pigs on U-S farms on March 1st.
Breeding inventory was up 2 per cent while market hog inventory was up 8 per cent from last year.
The December to February pig crop, at just under 30 million head, was up 9 per cent from 2014.
According to the USDA, American hog producers intend to boost the number of sows farrowing in the March to May quarter by 2 per cent over the actual farrowings in that quarter last year.
Intended U-S farrowings for the June to August quarter at down 2 per cent from last year.