Border Collies are not large dogs. They are usually medium-sized dogs. The requirements for large dogs are dogs with a shoulder height of more than 60CM and a weight of more than 30KG. They include Alaska, Great Pyrenees, Samoyed and other dog breeds, while Border Collies are The height at the shoulders generally does not exceed 60CM, and the weight is generally around 25KG.
Tip:
Both large and medium-sized dogs are basically not allowed to be raised in cities now, because most of their shoulder height exceeds 45cm.