Meet the UK's biggest dog, an 18 stone 'gentle giant' who eats an entire chicken dinner a day - at a cost of £4k a year. Dylan Shaw, 33, claims two-year-old Abu, a Turkish Malakli is the UK's biggest dog standing just over seven-feet tall when on his hind legs - and weighing just over 18 stone, the same as a baby elephant. And he says Abu hasn't finished growing yet, and he expects him to put on another 20kgs over the next year. The huge hound wolfs down 3kg of meat a day, including one whole ch