Can worms eat that?…yogurt

This will be an ongoing series of various items that composting worms will process. I’m referring to the foods to avoid.

To start off this series, I will begin with dairy. So milk is out of the question as you would just flood your bin with too much moisture, but what about yogurt?

While going through the fridge, I discovered several of these expired yogurt smoothie items. Soooo, instead of dumping them I wondered if the worms would be interested in them. Right off the bat this isn’t something I recommend for beginners. My systems are all mature systems filled with microbes and other critters that can handle this sort of food.

My interest was mainly due to the probiotics that are found in yogurt. The most common one is lactobacillus acidophilus. This bacteria is beneficial for human gut health but what about a worm? Well I have no idea but I figured why not give this a shot.

I added one of these containers to my Urban Worm Bag 2.0. All I did was spread it out over one section and then covered it with some bedding.

Normally, I would wait a few days to check in but I decided to check the next day. Since yogurt is more of a liquid food, it would absorb into the bedding quickly. To my surprise, the worms were all over the area!

Side note: I realized I flipped the camera when shooting this.

The photo doesn’t really do this justice as there were tons of worms just below the surface. I tried to get a shot of them but they burrowed too quickly to get a good image. I was surprised how quickly they moved into the area where the yogurt was dumped. I wasn’t expecting them to move so quickly into the material.

I’m not sure if the beneficial lacto was what caused the worms to go after it or something else. The other impressive finding was that the area didn’t have a yogurt smell either (I personally am not a fan of yogurt or the smell).

Take Away

  • Just because a food item might be on the no-no list for feeding, doesn’t mean that the worms won’t process it
  • When experimenting, use small quantities of the no-go material – don’t use large quantities in the event the experiment goes south
  • Bedding is key with these types of experiments – I used some harvested material that didn’t make it through a screen so the bedding was loaded with beneficial microbes

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