A cover (1) for a hopper of a cattle feeder, such as swine, comprising a frame (2), attachable to the upper mouth of the hopper (12) and determining an access opening (3) ； and a cover (4) for closing said access opening, the cover being characterized because - the frame (2) and the lid (4) comprise complementary means for joining (22a and 44a； 22b and 44b) in articulated mode in at least two different locations, the user being able to select the one that suits him best in a phase of assembly of the frame and the cover, offering the possibility that in an opening or closing maneuver of the cover the cover (4) rotates around one of two different turning axes (5a or 5b) to choose, because - the frame (2) comprises at least one area (6) prepared to be traversed by a tube (11) feeding the hopper, ie for access to a possible feed tube, and because - the contour of the lid (4) has at least one recess (7) configured to draw said area in closed lid position and also to save the mechanical interference between the lid (4) and said feed tube (11) in the assumption that this is oriented inclined in an opening or closing maneuver of the lid around at least one of the two axes of rotation (5a) to choose. (Machine-translation by Google Translate, not legally binding)1. Una cubierta (1) para una tolva de un comedero de ganado, tal como ganado porcino, que comprende un marco(2), acoplable a la embocadura superior de la tolva (12) y que determina una abertura de acceso (3)； y una tapa (4) de cierre de dicha abertura de acceso, estando caracterizada la cubierta porque - el marco (2) y la tapa (4) comprenden medios complementarios para su unión (22a y 44a； 22b y 44b) en modo articulado en al menos dos ubicaciones diferentes, pudiendo seleccionar el usuario aquella que más le conviene en una fase de ensamble del marco y la tapa, ofreciendo la posibilidad de que en una maniobra de abertura o cierre de la cubierta la tapa (4) gire en torno a uno de dos ejes de giro (5a o 5b) diferentes a
