US quick-service restaurant chains Popeyes Louisiana Kitchen and Church's Chicken are readying themselves for the Lenten season seafood sales increase with new items on their menus.

The companies do not normally specialize in seafood, but the limited-time menu items will have a broad reach. Church's Chicken is one of the largest quick service chicken concepts int he world, with more than 1,700 locations in 23 countries; while Popeyes Louisiana Kitchen, a division of AFC Enterprises -- is the second largest quick-service chicken concept in the world -- based on the number of units.