if your dog is worked or well exercised you shudnt worry about fat content, i feed lamb neck bones,raw minced beef an chicken mix from my butchers, ith kidneys to, chicken backs, cum with alot of skin on, i got backs for £2, trim all the fat off, ok if you leav a bit on, i usuall look at a peice of meat, if it has 20% fat an % meat that ok, an your dog does need a sertain ammount of fat intake, bones to have a slite amount of fat, try him on lamb neck bones, cheap as chips, i chop mine up and mix them in his bole with tinned sardines, an a dash of codliver oil, zak cant get enuff of it, feed