#$%^&*AU2019250258B120200924.pdf#####P1644AU00 ABSTRACT A penning system 1 comprising partitions 3 and barriers 5 movable from a deployed configuration (in which the partitions partition an area over a floor into spaces 11), and in which the barriers enclose the spaces to define pens 13 for 5 penning animals, to a collapsed configuration (wherein the partitions and barriers are collapsed for cleaning the floor).