The invention relates to a method for positioning an individually metered out food portion on an animal cage arranged ranged in a row of animal cages for fur animals by means of a motorized feed cart comprising wheels and a feed container, comprising the steps of: —moving said feed cart along a row of animal cages, —providing an output from an encoder corresponding to the angular turning of one of said wheels to a control unit, —determining that the feed cart has reached a given position corresponding to a given cage from said output and a database of information related to positions of animal cages and desired size of food portions to each animal cage, and —controlling the feed cart to metering out the desired food portions at a suitable food delivering place at the given animal cage according to the information in said database.