My small BG started eating the day after I stocked them in September of 2015. They stayed in the same general area where I stocked them until they quit eating because of cold waters. I had to crush up the pellets in a food processor, as they could not get bigger pellets in their mouths. I discovered AM Grower 400 this spring, and those pellets are really small. I have been feeding the YOY BG with it since mid summer.