HF Cows are a breed of cattle that mostly comes from northern Germany and Holland. The Holstein Friesian breed is mostly found in the northern Germany Holstein area and the Dutch province of Friesland. The highest milk-producing breed in the world is thought to be these cattle. Most of the patches on these cattle are black and white, but some of them may also have patches of various colors. The HF breed makes up the majority of the widely recognized cow images used in milk and dairy advertising.