For the structures and methods of domestic animal, such as for example accommodating domestic animal and/or to the structures and methods of domestic animal milking. The structure and its feature of the disclosure provide many better than first structured efficiency and advantage. As will be described in detail, due to the size of this structure, this structure can accommodate a large amount of domestic animal (for example, milk cow, goat, sheep, live pig, poultry, camel etc.). For example, in some embodiments, 1 to 100 can be accommodated in this configuration,000 or more poultry, and/or milk (if applicable) to it.