I keep quail on deep litter. For our very occasional meat or fish leftovers, I have come up with the following modification of a maggot bucket:
1. Find tall plant pot
2. Fill 1/3 with soil or compost 3. Add scraps and leave for a day or so outdoors so flies can lay their eggs.
4. Fill up with straw, hay or leaves. Leave where birds cannot disturb.
5. Check after 4 days depending on temperature, there should be maggots. When the food scraps have gone leaving just the bones, it's ready.
6. Place the pot on its side where your birds can get at it. They will scratch through and eat the maggots.
The soil below the scraps absorbs the stinky liquid the maggots execrete. The leaves/straw on top filters out the smell. If you miss the "sweet spot" and the maggots have pupaed in the soil, the birds will simply eat the pupae.
I have tested this with a portion of my quail as I had them get sick before from compost worms. This method depends on outside temperatures - works only in summer here when the flies are active. Soldier flies do not occur naturally here.
Nice and clear.
I've been thinking a lot about this having just got chickens. I'm gardening on 450m2 in a residential area so small and non stinky is a necessity.
Also I like Paul's judgement that 'If it smells bad, you're doing it wrong'
I'll try this out next time we have left over fish trimmings.
Does anyone else have a method that works?
Netherlands Zone 7b 930mm (36 inches) rain, 1500 sunshine hours
My Black Soldier Fly bin that I keep under the back porch doesn't stink. It's just a plastic bin with some holes in the top so the flies can go in and lay their eggs. I put chicken slaughter materials and kitchen scraps in it, making sure to put anything potentially stinky under a layer of maggots and maggot poop. The maggots produce a distinctive smell, but not a stink. The dead animal stench of chicken parts disappears in about a day once the maggots get to it. This weekend I'm going to install a ramp to more easily collect the maggots to feed to the chickens.
After one unfortunate incident in which my H put a chicken carcass in the trash and it became unwrapped somehow - I noticed the hens gathering by the trash can. Then I noticed the maggots falling out of the top of the can. Trying to stop my rising urge to hurl all over the driveway, I instantly saw how this could work as a protein source for our chickens. I've been trying to find a non-smelly way to do it, and you just hit the nail on the head!
Now - to find a high enough place so that our puppy won't dig through it....
The amazing thing is even though our yard is infested with all kinds of varmints, so far nobody has tried to get into the bin. I guess it just doesn't smell like food to them. My previous bin had some holes in the bottom and an armadillo had evidently dug under it to get at escaped maggots, but that was the extent of the disturbance so far.
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