Holland had in July 2021 a number of 15658 farms/locations where cows were milked. Totally they used 18601 milking systems, including robots. There were 4949 herringbone parlours, 4592 robotic milking systems, 3793 side-by-side parlours, 903 rotor parlours, 774 tied barns, 471 swing-over parlours and 358 tandem parlours.