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Subject:
Re: Infective Dose of EFB
From:
"Marion D. Ellis" <[log in to unmask]>
Reply To:
Discussion of Bee Biology <[log in to unmask]>
Date:
Thu, 8 Jun 1995 12:22:35 CDT
Content-Type:
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>Hi,
>
>Can anyone give me a journal(s) reference(s) for research into the minimum
>infective doses for European Foul Brood and American Foul Brood.
>
 
Refer to Bee World: Vol. 74, No. 4, page 177, review article by  Ratnieks
 
"20 spores constitute an LD50 for one-day old larva, whereas millions of=20
spores are necessary to infect a 4-5 day old larva".
 
 
Marion Ellis,  [log in to unmask]

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