Abstract: The present invention relates to an animal box floor comprising facilities for the evacuation of excrement formed on the surface of the said floor (1), the said floor (1) being mounted above the facilities, such as a ditch, for the gathering of the excrement. According to the invention, the arrangement is characterised by the fact that the said facilities are comprised of at least a section of the said floor (1) which is inclined in relation to the surface of the said floor (1), towards an evacuation orifice (23) for the excrement, located in an approximately vertical plane and emptying onto the said facilities for gathering the excrement.