Heartworm info since warm weather is starting in the northern hemisphere:
 
http://www.miamiferret.org/fhc/heartworm.htm
 
http://ferrethealth.org/archive/browse.php?msg=SG9762
 
http://www.dvmnews.com/dvm/article/articleDetail.jsp?id=310015
 
http://www.heartwormsociety.org/heart.htm
 
http://cal.vet.upenn.edu/merial/hrtworm/hw_3.htm
(including map, beyond U.S.)
 
http://www.drsfostersmith.com/pic/article.cfm?
dept_id=0&siteid=12&acatid=183&aid=600
(including map, U.S.)
 
-- Sukie (not a vet, and not speaking for any of the below in my
private posts)
Recommended health resources to help ferrets and the people who love
them:
Ferret Health List
http://www.smartgroups.com/groups/ferrethealth
FHL Archives
http://ferrethealth.org/archive/
AFIP Ferret Pathology
http://www.afip.org/ferrets/index.html
Miamiferrets
http://www.miamiferret.org/fhc/
International Ferret Congress Critical References
http://www.ferretcongress.org
[Posted in FML issue 5216]