Portland-based ImmuCell Corp. says it has caught up with a backlog of product orders following a weak first quarter, leading to a big sales boost in the second quarter. ImmuCell, which develops, manufactures and markets products that improve the health and productivity of dairy and beef cattle, released preliminary sales results for its second quarter, which ended June 30. Michael Brigham, president and CEO of ImmuCell outside the company’s Portland headquarters in 2017 Staff photo by Ben McCanna “While it is not our standard practice to make projections or to release financial results before our quarterly reviews are complete, we are releasing these sales figures now to show our sales run-rate having shipped all of the $901,000 of orders … that were on backlog as of March 31,” ImmuCell President and CEO Michael Brigham said in a statement.