How to preserve insects for chix treats?

WunnySharbit

Songster
6 Years
Nov 23, 2018
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In the fall, we are overrun by armyworms hatching from nearby alfalfa fields. We are talking millions of caterpillars! This year I would like to collect and process them for feed. I have questions about others' experiences and processing.

Since there would be soooo many, the best option for us would be to pop them in the freezer in gallon bags. I have seen several posters suggest this. When thawed, won't they pop and become a gooey mess? I've also read boiling before freezing/drying is preferred. Supposedly, it cleanses and prevents blackening of the caterpillar. Does it help keep the bodily integrity for subsequent processing (like shrimps)? We do have a dehydrator, but it could not handle this scale of drying! I REFUSE to dry them in my oven. I've dried other things in the past and the oven-dried smells l i n g e r. What about 🤢 canning? Pressure cook (like meats) or add acid and hot water bathe them? We could, theoretically, boil and sun dry them, but the starling, blackbirds, etc..... I usually dry herbs/bread between layers of window screen, slightly covered to prevent sun scorch, but this is a much larger scale. Has anyone else tried the sun-drying?

(I'm not too worried about processing thousands of caterpillars: my nephew will jump at the chance to make $$. Between his rural and my suburban contacts, they will all find good 'homes' 😁)

Thank you in advance!
 
I have frozen Japanese Beetles for mid winter chicken treats. A totally different bug from a caterpillar, of course.

You didn't mention freeze drying, which would have been my suggestion. Freeze dryers are expensive, unfortunately.

Are there any other caterpillars around before the influx of army worms? Something else to do a practice run on. Maybe get some, freeze them, thaw them, and see what you have.
 
We used to freeze catalpa worms for fish bait when I was a kid. The bodies held together good enough to put on a hook.

I'd think if you only thawed enough for a day they would be fine frozen.
 

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