i gave my ds some formula feeds and some cows milk from 10 months because i gave up bf and he didn't like formula much, and he is the picture of health at 17 mo. A friend of mine just gave her dd cow's milk from 10mo, and actually if you ask anyone of an older generation they will no doubt tell you that they gave cows milk to babies from 6 months - my mum did with us and we are both v healthy too!