Comment

Comment by TCLynx on August 3, 2013 at 2:48pm

Get some research on how much pathogens are likely to be left in the rabbit manure after just sitting out.  My personal opinion is that warm blooded animal manure must be composted before use in growing MY salad.

And if I were picking worms out of manure to put into my aquaponics, I'm personally likely to put them some relatively "clean" bin for a time to purge them before use in my system.  Worms are great for promoting beneficial bacteria but they are not some instant means of killing bad bacteria.  If using fresh manure on fields to grow crops, you are supposed to have 120 days between application of the manure and the harvest of any leafy crops or other crops that the edible portion comes into contact with the soil.  So the way I look at that is if the manure has been aged 120 days before being applied to the worm bin and then you wait a certain amount of time before collect the worms from the bin (without adding anything new to the bin) then you could probably use the worms.  If the rabbit manure is put into the worm bins fresh on a continual basis, then I would want the worm bin to sit with nothing new added for 120 days before using the worms or castings in my garden.

This is primarily because I have salad greens ready to harvest daily in my system and I wouldn't want to go adding anything that might cause me to have to wait 4 months before harvest.

If the manure is composted so that all material gets at least 3 continuous days at 131 F then that kills pathogens.

So if several months means "a batch of manure is placed in a pile or bin for 120 days" before use, then maybe it's ok.  I still wouldn't be using manure directly in my aquaponics but worms from a bin that was fed 4 month old bunnie berries are probably ok for use.  You have to decide for yourself if you would be willing to eat salad grown in your bunny berry compost.

I like to hot compost all the warm blooded animal manure here.

Comment by Rochelle Hopkins on August 2, 2013 at 8:13am

regarding TCLynx comment yesterday, You say fresh manure, what about manure from rabbits that has set out for several months. Would you say that is SAFE?

Comment by nick franklin on August 1, 2013 at 3:17pm

Keith Rowan .... thank you for your Bell Syphon comment

Comment by nick franklin on August 1, 2013 at 3:13pm

Matt Miskinnis... thanks for your Bell Syphon comments

Comment by Fabiola Burgos on August 1, 2013 at 12:35pm

@TCLynx thanks for your help!

Comment by TCLynx on August 1, 2013 at 11:59am

As to juveniles eating older fish, probably only if something injures or kills the larger fish.  If you are having larger fish getting beat up or killed by other fish, it is probably due to territorial or mating aggression.  Most of my tilapia deaths (when I had them) were actually due to the males stressing the females out too much chasing them around trying to get them to mate or by a female with a mouth full of eggs trying to protect a territory when she was about to release the fry.

Comment by Fabiola Burgos on August 1, 2013 at 11:52am

@TCLynx thanks but other question can the juveniles eat the older ones

Comment by Matt Miskinnis on August 1, 2013 at 9:23am

The only issue I have had with a bell siphon is when I had roots starting to clog the water flow.  I cleaned out the roots turned the siphon guard a few rotations and it works like a champ.  If you plant close to the siphon, make sure you check for root clogging,  all I have to do is turn my siphon guard every month or so and it does the trick for me in keeping the roots out - be careful with tomatoes, their roots tend to get big...

Comment by Keith Rowan on August 1, 2013 at 8:30am

i've got bell siphons on 4 growbeds (each is 1/2 of an IBC, had an issue with one, but it was due to assemblly.. very reliable.. running over 18 months with no issues

Comment by TCLynx on August 1, 2013 at 6:06am

Young Tilapia have an extreme protein hunger.  Small tilapia will eat smaller tilapia.  When they are juveniles, before they develop the ability to filter feed, they definitely will eat each other.  The adults that can filter feed (probably fish over 5-6") are not that likely to eat the babies if there is ample food available but fingerlings will definitely eat smaller fingerlings or fry.

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