Roman herding dogs wereused to create a herding breed. ThThe ideal collie is ready to work when called for, and ready to be calm indoors when not being worked. The pattern now known as blue merle for the Colie was once referred to as "tortoise shell". The typical Collie is easy to train, but prone to barking. They should get daily excercise and a on the slightly higher side of moderate energy breed. 50 to 75 lb #collie #rough #purebred #breed