Anderson promotes Scrimgeour to president and CEO, while Sheffer joins company as COO.
Company says next step is considering other animal protein sources.
Original timeline planned for July 2017 opening.
Areas offering most customer convenience grew during first quarter.
Investment reflects expansion in technology resources for members.
Cattle and hog prices for 2017 raised due to price strength.
Pork industry executive says NAFTA is top "defensive priority" this year.
Transaction expected to close by end of 2017 Q3.
Total value of transaction approximately $4.2 billion.