The invention relates to an annular rotary platform (3) for a milking parlour and a mould and method for manufacturing the annular platform. The platform (3) is formed of a cementitious material. The platform is characterised in that the underside comprises at least one radially oriented protruding reinforcing portion (3d) formed of a cementitious material and that the platform has a substantially flat upper surface for supporting animals to be milked. A mould to construct the platform and a method of construction are also disclosed.
