Changes

* '''Stress due to environmental change.

* '''Stress due to environmental change.

* '''Stress due to changes in routine.

* '''Stress due to changes in the owner's routine.

* '''Conflict for resources with other resident cats.

* '''Loss of existing facial or flank marks in the home''': Usually due to redecoration or change of house.

* '''Loss of existing facial or flank marks in the home''': Usually due to redecoration or change of house.

* '''Loss of maintenance of group odour''': Temporary or permanent loss of a social facilitator cat, absence of the owner, or housing of group members apart (at a cattery at at the vet clinic) so that odour is not mixed between individuals and factions.

* '''Loss of maintenance of group odour''': Temporary or permanent loss of a social facilitator cat, absence of the owner, or housing of group members apart (at a cattery at at the vet clinic) so that odour is not mixed between individuals and factions.