A method for automatically determining quality characteristics of a carcass on a slaughterline. The method comprises conveying the carcass in a direction of transport, preliminary examination to determine the location of one or more anatomical reference parts of the carcass in the direction of transport, calculating the location in the direction of transport of at least one cross-section in the carcass using the location of the anatomical reference part(s) and possibly other data on the carcass, and CT measuring the nature of internal anatomical parts of the carcass in at least one of these cross-sections in the carcass, controlled by the calculated location.