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]