Identifying animals currently in a lot/group:

To display the IDs of  animals in a particular  lot/group combinations, click the required cell with the right mouse button. The IDs of the constituent animals are displayed in a drop-down box.

In the example above the animals currently in the MAIN / YSTCK  lot/group combination are displayed. To move one or more of the displayed animals to another lot/group see Moving animals between lots and groups.