a old bloke once told me,feed them more than what they can eat and its true,not in the way of force feeding them lol but give them as much as they can eat and leave more in there bowl for them to pick at,i find the best food for pups is butchers waist boiled up,trust me they do great on it, real shiny coats,healthy bones, strong imune system.the tip is just keep them growing atb