[USCC] Manure

Tue Mar 13 07:24:36 CST 2007

Well, how do you control them to keep from making a swarm of biblical proportions?

Maybe if you were talking about a non flying insect it may be more feasible.  Larvae will still crawl and thats all they have to do all day so how do you keep them from "getting away."  Insects can do a lot of damage (some beetles like to eat wood too) and cause a nuisance with neighbors.

here is a quote from that website that you mentioned:

"Distribution - This fly occurs throughout most of the Western Hemisphere and the Australian region from Samoa to Hawaii. In the continental United States, it commonly breeds in outdoor toilets, poorly managed compost and in poultry manure. "  (emphasis added.)

I think that flies are a composters enemy not his friend.  But I am open to new ideas if you can prove that they work and that it is a better system.

-----Original Message-----
From: yarrow at sfo.com
To: compost at composter.com
Sent: Mon, 12 Mar 2007 2:08 PM
Subject: Re: [USCC] Manure

Participate in the Annual International Compost Awareness Week May  
6, 2007 to May 12, 2007

This year's theme is "The Possibilities are Endless ... Compost!"

For more info, go to: http://compostingcouncil.org/section.cfm?id=25

Or Call the USCC at 631-737-4931 

See http://ipm.ncsu.edu/AG369/notes/black_soldier_fly.html
for more info on this desirable composter. I learned about them when 
I saw the larvae escaping from my home compost bin one rainy October, 
and learned that they leave the bin to pupate. Someone on the 
gardenweb list who had worked with a manure-composting BSF larvae 
system said that

-- BSF and worms are often used together in coordinated manure 
management systems
-- BSF larvae process the raw manure, then earthworms convert the 
larvae manure into stable worm castings
-- BSF larvae can happily coexist with worms in a composting environment,
-- BSF larvae create more moisture, which can lead to a drop in O2 
(which, in turn, can temporarily decrease the worm population)
-- BSF adults are repelled by anaerobic conditions, so do not lay eggs there
-- BSF larvae can survive anaerobic conditions, but have lower 
activity than in aerobic conditions
-- BSF larvae decrease the presence of human pathogens in infected 
environments, so pose no threat to human health
-- a composting system that has significant numbers of BSF larvae 
will support no other fly species

I've seen a report by Warburton et al., "Performance comparison of 
earthworms and soldier fly larvae in the processing of sewage sludge."

Hal Kreher wrote:
>What kind of larvae are you talking about?  At our farm we are 
>composting our manure because the heat kills any fly larvae, pupae, 
>or eggs.  Fresh layer (poultry) manure is too strong for worms.  If 
>you used some kind of insect to "pretreat" you would have to a way 
>of seperating them back out from the product that needs to go on to 
>the next step.
>
>-----Original Message-----
>From: CAVM at aol.com
>Lowell, the residue after the larvae finish their work is excellent in 
>vermiculture. Some of the worm farmers we know actually use the larvae to 
>pre-process their organic matter being fed to the worms for castings 
>production.
>They do this with no intention of harvesting the larvae for  their value.
>
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