Lineback cattle have distinct black and white markings that run down its back. They were developed in the United States, particularly in Pennsylvania, New York and Vermont, is primarily used for dairy farming and is known for its strong milking ability and high-quality milk. Linebacks are medium-sized, with mature cows weighing 800 to 1000 pounds and mature bulls weighing 1000 to 1500 pounds. These animals are hardy and can adapt to a variety of environments, making them a suitable choice for small-scale dairy farmers.