An apparatus including a first compartment and a second compartment is disclosed through which livestock animals move. The first compartment includes a first extension that is horizontally extendable and retractable. The second compartment is vertically movable and includes a second extension that is horizontally extendable and retractable. A method includes positioning a first end of an apparatus proximate a doorway of a building that contains a plurality of livestock animals; extending a first extension to the doorway; positioning a vehicle proximate a second end of the apparatus; moving at least one of the livestock animals from the building and into a first compartment; moving the animal from the first compartment to a second compartment; vertically moving the second compartment to a level of a deck of the vehicle; extending a second extension to the deck; and moving the animal from the second compartment onto the vehicle deck.