Thousands of cattle estimated dead, and extent of wheat damage unknown.
Company expected gains to continue despite ample grain supplies.
Company issues first installment of "2016 Sustainability Report."
Increase part of a recent trend of greater optimism among producers.
Enterprise value of acquired business set at about $130 million.
Acquisition includes five prepared foods facilities.
Pork industry contributed $36.7 billion in sales to state in 2015.
Companies on track to close merger between Aug. 1 and Sept. 1.