Chianina cattle is the largest and one of the oldest breed of cattle. They are used mainly for their meat. As you can see from the picture, they can get pretty BIG! Mature bulls stand up to 1.8 m and they can weigh up to 1,600 kg. Cows usually weigh 800–900 kg but can weigh up to 1000 kg. Calves routinely weigh over 50 kg at birth.