Two-host parasite

Russell Farris tryggvi at email.msn.com
Mon Oct 25 22:23:42 EST 1999


Someone posted on here some time ago that mice with Toxoplasma gondii
infections would climb to the top of weeds where cats would see them. How
the T. gondii got back to the mice was not explained. T. gondii is, I think,
a protozoan.

Russ Farris

<NOSPAMggpurvis at webhart.net> wrote in message
news:3813f279.277725769 at news.psi.ca...
>   I had an article from end of June this year, forget the source,
> about a parasite which completes its cycle using two hosts: in this
> case a cat and a rat.   The file got corrupted and now I'm having a
> bit of trouble finding information about this.  Thought someone here
> would be able to help.
>   The parasite, I think, begins its cycle on a rat.  Somehow, the rat
> becomes affected by the parasite and becomes bolder than normal,
> confrontational where it should really be avoiding confrontation.  As
> a result, more run-ins with larger animals like cats take place.  The
> cat, eating the cadaver, ingests the parasite, where it proceeds with
> another part of its life cycle.  Finally -- I think this is right --
> rats pick up the parasite once again from the cat's spore.
>   Anyway, for any and all assistance in tracking this information,
> thank's in advance.
>
> Greg





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