A cattle handling system comprises a plurality of stall dividers positioned side by side and extending generally parallel to each other. Brackets for mounting the stall dividers are connected directly to a concrete slab and allow for connection of the stall dividers to the brackets in a one man operation without the need for embedding vertical members in the slab. The position of the brackets are located on the concrete slab by use of a mounting jig. The brackets may have a vertical adjustment allowing for an increase or decrease in the working height of the stall dividers.