The Border Collie is the number one sheep herding dog.  They are normally used on farms to help farmers herd livestock.  He grows up to 53cm in height and weighs 23.5kg.  His coat does not need excessive attention but does need regular grooming.  He needs a lot of exercise as he normally works on a farm, and to stop him getting bored.  He needs a normal amount of food for a dog his size, and he is easy to train.