A separating device for forming a standing area for livestock, in particular pigs, and for reducing emissions in pens, in particular in pig pens, comprises a base frame, a drainage element with a plurality of drainage channels which each comprise an outflow end, and shoulders, between which the plurality of drainage channels extends orthogonally to a drainage direction, a liquid-permeable endless belt with an upper run and a lower run, wherein the drainage element is arranged on the base frame such that a drainage direction of the plurality of drainage channels is directed in the direction of the outflow end.