A portable shelter (1) for pigs comprises a roofed (10) and walled (2, 4, 6, 8) enclosure. The roofed and walled enclosure has first (28) and second chambers (30) separated by a wall (26) including a doorway (36) having a barrier (37) to prevent young piglets passing there through. The first chamber is for use in farrowing and suckling piglets and the second chamber is provided with feeding (40) and drinking (44) facilities for an adult pig, and is provided with an exit (16) from the shelter.