A system for handling animals includes: a movable series of modules to contain the animals a plurality of stations at a first location in a facility, at least one station to communicate with at least one module, whereby substances may be dispensed to a module from a station and/or materials may be collected from a module by a station a first transporter for transporting the series in a first direction and to transport a module from a second location in the facility to a first position between the first and second locations a second transporter for transporting the series in a second direction and to transport a module from the first position to a second position nearer the stations a source of a first motive force to move modules on the first transporter and a source of a second motive force to move modules to the second transporter.
