<http://c.ymcdn.com/sites/www.aazv.org/resource/resmgr/IDM/IDM_Dirofilaria_immitis_2013.pdf> http://www.miamiferret.org/heartworm.htm http://www.ncbi.nlm.nih.gov/pubmed/20045834 http://www.ncbi.nlm.nih.gov/pubmed/10812548 http://www.heartwormsociety.org/download/Incidence-Map-2010.pdf Sukie (not a vet) Ferrets make the world a game. Recommended ferret health links: http://pets.groups.yahoo.com/group/ferrethealth/ http://ferrethealth.org/archive/ http://www.miamiferret.org/ http://www.ferrethealth.msu.edu/ all ferret topics: http://listserv.ferretmailinglist.org/archives/ferret-search.html "All hail the procrastinators for they shall rule the world tomorrow." (2010, Steve Crandall) A nation is as free as the least within it. [Posted in FML 7980]