Scatter
Scatter on the ground, in bedding or around the run.
Live Calci Worms
A tiny treat. A happy hen.
Clean, simple and naturally calcium-rich live treats for backyard hens. Scatter them on the ground, in bedding or around the run to encourage natural foraging, scratching and pecking.
Feed 10g per hen per day as a treat alongside their existing diet.
Produced in Shropshire by Fly2Feed - 100% Black Soldier Fly Larvae - Produced using 100% upcycled feed materials
Choose your flock size
The right weekly pack for your hens
Pick your flock size and we will match the weekly amount using 10g per hen per day.
Subscribe and save 20% - packed every Tuesday.
Feeding guidance
Feeding your hens
Scatter on the ground, in bedding, or around the run to encourage natural foraging behaviour.
Feed 10g per hen
A simple daily treat routine for every hen in the flock.
Maximum wriggle
Bring to room temperature before feeding for extra excitement and enrichment.
Responsible feeding note: this is a treat that adds natural nutrition to your hens' existing diet and should make up no more than 15% of their total feed.
Benefits
Why hens love Live Calci Worms
Natural foraging behaviour
Scatter them around the run to encourage scratching, pecking and active feeding.
Clean and simple
A straightforward daily treat with one ingredient: 100% Black Soldier Fly Larvae.
Naturally rich in calcium
A calcium-rich treat to complement your hens' existing diet.
Wriggly enrichment
Bring them to room temperature before feeding for maximum movement, excitement and enrichment.
Simple daily routine
Feed 10g per hen per day. Choose your flock size and we'll match the pack to your hens.
Produced using upcycled feed materials
Made using 100% upcycled feed materials and produced in Shropshire by Fly2Feed.
A weekly treat routine, made simple
Choose your flock size, receive the right amount for a full week, and keep your hens topped up with their daily 10g treat. Subscribe and save 20%.
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Choose your flock size
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Get the right weekly pack size
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Packed every Tuesday
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Delivered fresh
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Subscribe and save 20%
Product story
Clean, wriggly and ready for treat time
Live Calci Worms are a backyard-hen treat, not a complete feed. They bring movement, interest and natural enrichment to the run while keeping the daily routine simple for keepers.
What the Flock
Meet the hen ambassadors.
The Motherly One
Henrietta
Daily routine - calcium - flock wellbeing
"I get my 10g every day. They're clean, simple and naturally rich in calcium, and it keeps us all in good order."
Read more
When the flock is content and everything is running as it should, I'm a happy hen.
The Cheeky One
Edwina
Wriggle - scratching - enrichment
"The pack opening, the scatter hitting the ground, and me surrounded by wriggling calci worms."
Read more
Scratching, pecking, wings flapping and completely lost in the moment. When's the next feed?
The Foodie One
Nigella
Protein - treat appeal - moreishness
"There's a certain pleasure in finding something so full of protein, luxurious and wonderfully moreish."
Read more
I don't simply peck, I come back again and again.
Storage and freshness
Storing your Calci Worms
Keep the pouch upright and store in a cool, dry place out of direct sunlight. Use within 7 days of opening. Do not freeze.
Upright
Keep pouch upright
Cool
Store cool and dry
7 days
Use within 7 days of opening
No freeze
Do not freeze
Tip: Bring to room temperature before feeding so the worms are at their wriggliest.
Ingredients and provenance
Simple ingredients
Ingredients
100% Black Soldier Fly Larvae (Hermetia illucens).
Produced in Shropshire
Produced in Shropshire by Fly2Feed.
Upcycled feed materials
Produced using 100% upcycled feed materials.
Early flock feedback coming soon
We will add keeper reviews here once we have genuine customer feedback to share. The hen ambassador quotes above are part of the Happy Hen Co. packaging voice.
Helpful answers
What are Live Calci Worms?
Live Calci Worms are live black soldier fly larvae, also known as Hermetia illucens. They are fed as a natural treat for backyard hens.
How much should I feed?
Feed 10g per hen per day. For example: 2 hens = 20g per day, 5 hens = 50g per day, and 10 hens = 100g per day.
Are they a complete feed?
No. They are a treat that adds natural nutrition to your hens' existing diet and should make up no more than 15% of their total feed.
How should I feed them?
Scatter them on the ground, in bedding or around the run to encourage natural foraging behaviour.
Should I bring them to room temperature before feeding?
Yes. Your hens will be happiest when the worms are wriggling, so bring them up to room temperature before feeding for maximum excitement and enrichment.
How should I store them?
Keep the pouch upright and store in a cool, dry place out of direct sunlight.
How long do they last after opening?
Use within 7 days of opening.
Can I freeze them?
No. Do not freeze.
What are the ingredients?
100% Black Soldier Fly Larvae (Hermetia illucens).
What does produced using upcycled feed materials mean?
It means the larvae are reared using feed materials that are given a new productive use, helping turn nutrients into a high-value treat for hens.
How do subscriptions work?
Choose your flock size and receive the right weekly amount for your hens. Subscription orders save 20%.
When are orders packed?
Weekly subscription orders are packed every Tuesday.
Ready for treat time?
Choose your flock size and keep your hens topped up with a clean, wriggly daily treat.
