The three-year-old German Shepherd had her rear right foot amputated after she was trampled by a horse.

But the lively pet is back to enjoying walks with her owner after she was fitted with an artificial foot and ankle by pioneering vet Dr Noel Fitzpatrick.

The titanium prosthesis is the first in the world to have been inserted into a fully moving bone and allows Mitzi to walk with a normal gait and no limp.

EXPRESS CASINO: GET A FREE BONUS OF UP TO £150 NOW!

Her owner Viv Davis, from Dorchester, Dorset, and daughter Zoe Randle were desperate to give her a better quality of life. Viv said: “The options were three legs, euthanasia, or a chance to walk. We had to give her a chance to walk.”