Bird Schistosoma problem

Dr. Christoph Grevelding greveld at rz.uni-duesseldorf.de
Thu Jun 20 03:16:05 EST 1996

James Mahaffy wrote:

> Folks,
> Apologies if this is too practical a question, but I would like
> to help my town lick a problem with Schistosoma.   We have a
> small (1.3 million gallons) 2 « acres 19 foot deep swimming hole
> (old sand quarry) here in North West Iowa.  This year, for the
> first time, about 10 kids have come down with classic symptoms of
> swimmers itch. Although this is a very small percentage of the
> swimmers, I would appreciate suggestions on some ways to solve
> the problem and let campers let their kids swim.  There were a
> few more waterfowl (mallards and a few Canadian Geese) than
> normal that visited earlier in the Spring.  There are no water
> fowl resident right now.  
> Is there a way to cut down on the snail carriers? How far do the
> cercaria swim?  I suggested removing algae from the sandy area. 
> Will copper sulphate solve the problem?  I suspect being sure to
> shower and towel afterwards helps but that does not solve the
> problem.  
> Appreciate any feedback. 
> --
> :
> James F. Mahaffy                   e-mail: mahaffy at dordt.edu
> Biology Department                 phone: 712 722-6279
> Dordt College                      FAX 712 722-1198
> Sioux Center, Iowa 51250

Dear James,
  there is no reason to apologize concerning your question. This kind of 
questions was one of the reasons for us to establish this newsgroup and I would 
appreciate if more members of this newsgroup would participate in this way. 
   Recently, Ken Mott from the WHO has send a message to this newsgroup 
concerning a new WEB PAGE that has been installed on cercarial dermatitis at:
http://www.aquatica.com at which he wrote a section concerning your problem. I 
cannot remember details of this page but perhaps it could be of interest to you.




Dr.Christoph G.Grevelding
Genetische Parasitologie des
Instituts fuer Genetik der
40225 Duesseldorf
Tel.: 49-211-81-13070
Fax : 49-211-81-12333
Fax : 49-211-81-12279
e-mail: Christoph.Grevelding at uni-duesseldorf.de

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