Henning Baehr baehr at
Mon Mar 2 01:04:33 EST 1998

I would like to ask, wether you have any experience in cl. botulinum
toxin testing by methods, which could replace the mouse bioassay. I do
it  by agargel-immunodiffusion with extracts of organs concentrated by
lyophilization, accepting the lack of sensitivity and a certain amount
of cross reactions, but avoiding these cruel mouse assays. 

Dr. Henning Baehr, Govt. Vet. Laboratory Oldenburg, Germany

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