A milking machine is equipment used to extract milk from a cow. This equipment is designed to provide a constant vacuum to suck the milk and store it in a container.Milking is the act of removing milk from the mammary glands of cattle, water buffalo, humans, goats, sheep, and, more rarely, camels, horses and donkeys. Milking may be done by hand or by machine, and requires the animal to be currently or recently pregnant.The Rotolactor is a largely automatic machine used for milking a large number of cows successively using a rotating platform. It was developed by the Borden Company in 1930, and is known as the "rotary milking parlor".Automatic milking is the milking of dairy animals, especially of dairy cattle, without human labour. Automatic milking systems, also called voluntary milking systems, were developed in the late 20th century. They have been commercially available since the early.