USDA released its quarterly Hogs and Pigs report, which showed the swine herd was still larger than a year ago despite a small drop during the December 2016-February 2017 quarter. There were two big drivers of the increase in market hog numbers.USDA released its quarterly Hogs and Pigs report, which showed the swine herd was still larger than a year ago despite a small drop during the December 2016-February 2017 quarter. Total inventory as of 1 March was 71 million head, up 4 percent from 1 March 2016 but down 1 percent from 1 December 2016; the total was a new record for the 1 March report. Other new records for 1 March inventories were also set in the following categories:Pig crop - 31.4 million headPigs saved per litter - 10.43Market hog...