An announcement from Purdue on regional mosquito increases that can increase the heartworm risk. http://media-newswire.com/release_1068942.html Heartworm in ferrets: http://www.miamiferret.org/fhc/heartworm.htm Heartworm prevention: http://ferrethealth.org/archive/FHL5195 Where heartworm has been documented in the U.S. *though the risk is definitely also in other nations*: http://www.heartwormsociety.org/download/incidencemap.jpg Sukie (not a vet) Recommended ferret health links: http://pets.groups.yahoo.com/group/ferrethealth/ http://ferrethealth.org/archive/ http://www.afip.org/ferrets/index.html http://www.miamiferret.org/fhc/ http://www.ferretcongress.org/ http://www.trifl.org/index.shtml http://homepage.mac.com/sukie/sukiesferretlinks.html [Posted in FML 6040]