I pick up promptly after each dog. Earth rated poop bags to scoop with then into a lined can that I spray weekly with Odoban.
There is little I hate more than stepping in feces. Plus this keeps the dogs from tracking through it and the yard clean and clear for my granddaughter to play.
Abby - the wonder labby ~ Huxley- aka General Disarray ~ Nyx - my "Wild Child"