I had rushed through my replies because of lightening.
 
Alright, I have to tell you this.  We have a little toy piano with a
toddler safe touch panel where the keys would be.  Ashling is eating
while she is playing it with her bum and rear feet.
 
Spleens:  These should help you:
http://fhl.sonic-weasel.org/browse.php?msg=SG3724
http://fhl.sonic-weasel.org/browse.php?msg=SG3391
http://fhl.sonic-weasel.org/browse.php?msg=SG3368
http://fhl.sonic-weasel.org/browse.php?msg=SG2250
http://fhl.sonic-weasel.org/browse.php?msg=SG1018
http://fhl.sonic-weasel.org/browse.php?msg=SG491
 
There are more vet posts on the topic there, too, so you'll want to
do your own search.  I just pulled a few for you
 
http://www.ferretcongress.org/ (Critical Refs)
 
Just in case this is needed (since it's among the other causes):
http://www.miamiferret.org/fhc/aleutian.htm
[Posted in FML issue 4165]