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Subject:	Re: Impact of rust spore collection on bee health
From:	randy oliver <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Sat, 10 Aug 2019 06:43:03 -0700
Content-Type:	text/plain
Parts/Attachments:	text/plain (26 lines)

>
>
> >What is the nutrition of Pucciniastrum epilobii (Fireweed Rust) or rust
> spores in general vs pollen?


Hi Etienne,
The "fried eggs" that Dr. Eric Mussen and I observed in bee guts during the
CCD epidemic turned out to be *Uromyces* rust spores (search "fried eggs"
at my website).
In my area, such spores can constitute 100% of the beebread in late
summer.  Colonies quickly go downhill on that diet.
When this happens, we feed 2.5 lbs of high-quality pollen sub per hive
every 10 days, which immediately turns the colonies around, and gets them
into good condition for winter.

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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