While I was out to the hunting property, I decided to prune my apple and pear trees. I had them caged 4ft high with screen about 18 inches up the trunks. A rabbit was able to jump over the fence due to the snow being 3 plus feet deep this year. He managed to girdle one of my Dolgos from the top down. The branches were almost all gone and the main stem was girdled about 3 feet above the ground. Should I just cut it off(just below the girdle) and leave it or do I need to try grafting some Dolgo scions to what is left?