Changes

** Mean age: 6-9 years

** Mean age: 6-9 years

** Minor male predisposition

** Minor male predisposition

** Large breeds may predominate particularly collies and German Sheperds and Boxers

** Large breeds may predominate particularly Collies and German Sheperds and Boxers

* Cats:

* Cats:

** There are conflicting reports of whether there is a minor male predisposition

** There are conflicting reports of whether there is a minor male predisposition

** Siamese may have a breed predisposition

** Siamese may have a breed predisposition

==Description==

==Description==