TOP FIVE U.S. Chicken producers Average Weekly Production (in million pounds)    Market    Share %     Pilgrim’s Pride 146 20.30% Tyson Foods 144 20.00% Perdue Farms 55 7.60% Sanderson Farms 42 5.80% Wayne Farms 34 4.70%   Investing in foodservice is a big step for any c-store chain, but if it’s done right, the…