Here's my easiest mealworm raising instructions

chickenmeadow

Crowing
10 Years
Jun 14, 2009
1,057
354
276
Southern Oregon
My Coop
My Coop
My chickens just love them, they are easy to raise & they are a great source of "clean" protein. I use plastic container shoe boxes with a screened lid (cut a rectangular piece out of the lid, hot glue nylon screen in it's place); OPTIONAL SIFTING BOTTOM - with a sifting bottom (cut a rectangular piece out of the bottom, hot glue some craft type, plastic canvas sheet in it's place for sifting the bedding out of the box) (this will set into another plastic shoebox container under it to catch the siftings as mentioned later on); put in 2" of wheat bran for bedding & feeding (and other supplements); lay a piece of burlap over that where they lay eggs (rectangular, about 1/2 the size of the surface); lay a whole piece of carrot (easiest food, does not mold/spoil as quickly-also can feed apple slices, banana peelings, squash strips, etc. but may have to change more often if moldy) for moisture & food on the burlap (burlap helps keep food mold from contaminating the wheat bran better than laying food directly in the bedding & is an addl place for eggs to be laid which can be lifted up easily in tact) but, keep the moldy food cleaned out; put your mealworms (only buy the refrigerated type, as the other type that is bred in separate single containers is not easy to breed & may be too aggressive for chicken crops); put in a few layers of newspaper rectangular pieces for worms & beetles to crawl in; put the lid on & secure with a rubberband (it's easy to spill the box when handling); place this plastic shoebox into another one (with no lid) to catch the siftings later (in 2 wks) when beetles have laid eggs & need to be sifted out easily; in two weeks or so depending on room temperatures, remove the newspaper & burlap/carrot; sift out the bedding with eggs (fluffy clumps sometimes) & transfer the beetles & white pupae stage for your next batch to another plastic shoebox set up same as above & wait for the eggs to hatch & mature; the beetles, pupae & mature worms will be left behind (temporarily transfer them to a bowl) put 2" or more fresh bedding/feed in & the same set up as above (to start new egg laying). The reason for different growing containers that I do is to separate the different stages of growth, but this can be left all in one bigger container for your convenience (but, the beetles & larger worms will eat some of the smallest ones but if you have a lot then it won't matter much) Tips: You can add other stuff to the wheat bran bedding/food if you like for xtra nutrition such as: ground cereal, ground chicken food, powdered in blender egg shells, ground oatmeal, ground grains, wheat bran, etc. You can use a slotted spoon or strainer to sift out the bedding & separate the mealworms to feed out; always keep the fluffy wheat bran, as it contains eggs for your next hatch in about a month. You will find mealworms between the newspaper layers for gathering & feeding; spritz the top newspaper layer every day during hot/dry weather days; when removing moldy carrots, dust the fluffy wheat bran stuff off & add to a newly started sifted batch; if you have an excess of hatched worms then put them in a plastic container with tiny holes in the top & refrigerate (take out of fridge every 2 to 3 wks to feed in a wheat bran mixture for couple of hours) then put back into the container & refrigerate (this can give you a stock of feeder mealworms for cold weather months (60 degrees & under) when mealworms won't breed till it warms up; this will make an ongoing supply of mealworms. Or, just feed them out of the container as needed & the older mealworms will just turn into beetles & make more mealworms. The mealworm dropping are the sandy like granules at the bottom of the growing container which is much smaller than the fresh wheat bran started with; these droppings can be composted for the garden or just thrown out (or put into separate container for a little while with newspaper layers to see is there are leftover worms in there). Mealworms can be purchased at any pet store where they sell reptiles; buy a few, 100 or more to start, (I started with 500) & have a few plastic container set ups on hand for separating ages & growing more; cut the burlap & newspaper layers leaving an inch all around the surface edges for ventilation; they like the dark & hide under the newspaper; wear a paper mask or scarf when sifting the bedding out, don't let this get dust in your lungs, bad for asthma too. Currently, I like to use the plastic shoebox sized containers, but you can also just keep in 5 gallon buckets with a screen top or other larger plastic size containers; just keep them covered with the newspaper sheets, as they like it dark, but do not put airtight lid on, as they need air & circulation. Out of 3 shoebox containers dated in early August, my late September harvest was over 4,000 full sized mealworms (there were still eggs laid by a few beetles & tiny mealworms left to harvest later in the sifted out bedding). That's all I can think of right now. Best wishes & good luck.


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I like the sifting bottom idea, I hadn't thought of that.

I have mine in a shoebox sized tote as well, and am just now getting some pupae. The substrate mix I have for mine is fine-ground whole grain rice, 20% protein flock raiser, some oatmeal, and then 2 potato halves for moisture. I keep mine under the sink in the bathroom. I just cut some 1/2" d. holes in the lid of the box for ventilation. Since the bugs can't climb in this tote, I doubt they would be able to get out of the holes.

I plan on removing the pupae that are in there now, and putting them into another shoebox tote, that way I'll have 2 different colonies. Eventually I'd like to get one of those wheeled carts for them. I've seen many people that have them in these carts, and it looks like a very good idea. Though the shoebox totes under the bathroom sink is working for now.
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Thanks for posting this, mealworms are so easy to raise, everyone should have some
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