Beware human food for dogs though - not because it misses vitamins etc but because it is often too 'mushy'. Our Lurcher [very similar to a greyhound], was fed on, I suspect, human leftovers - when she did get fed at all that is, and her teeth are still quite poor. Remember don't don't brush on a daily basis. Even when feeding the best of the canned foods a dogs needs some good old fashioned hard biscuit mixed in.
I do wonder sometimes though if presented with a can of [for example] meat pie filling and dog food without labels if anyone could tell the difference.
My greyhound is fed partly on kibble with bonios or biscuit as a snack, and occasionally tripe. Otherwise all his food is good quality (usually organic) food, none of which I would refuse to eat myself, although I would cook his meat and chicken (!). Greys need a lot more protein than a normal dog, even when they are retired, and he eats amongst other things fish, eggs, meat, poultry, fresh veg and fresh fruit. The only foods he doesn't have are those that are known to be not dog-friendly, such as onions. Racing greys are often fed a mush, and even now after 3 years of being with me he cannot eat food that has not had water or some other liquid mixed with it. A lot of trainers also feed them bread as a treat and he does love his bread although now it is home made organic wholemeal bread
His favourite breakfast item is unsweetened whey pancakes stuffed with home made unsweetened organic yoghurt and blueberries. Greys have a very delicate stomach and, trust me, they need yoghurt even when fed on specialist greyhound food
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I used to have a lurcher when I was a teenager. Her favourite food was fresh strawberries - she used to pick them herself from our garden!
Years ago, there was a TV programme called "What's my Line?" One of the contestants on there was a taster for Spillers dog food. He said that none of the meat they used was unfit for human consumption, just that the cuts may be different. Indeed with my other dogs I used to keep a tin or two of dog food in the cupboard which I bought from our local shop. If you used it in a meat pie, people would think it was steak, it looked and smelt that good.
This one is by Forthglade, but there is no way he will be getting that on its own every day 
