The Happy Hen Co.

Choose your pack

Pick the right size for your flock

Feed around 10g per hen, per day. We’ve made pack sizing simple by matching each option to your flock size for a full week.

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Your selection

3 hens · 210g

A full weekly amount based on feeding around 10g per hen, per day.

Weekly subscription

One-off: £8.99 + shipping

£7.19 + shipping

Save 20% (£1.80) on the product price

Shipping shown in basket before checkout

Packed every Wednesday

Read FAQs

Live Calci Worms

Natural calcium-rich treats for happy hens

A simple, natural treat your hens will love. Easy to feed, easy to store, and designed for owners who want healthy birds and a product they can trust.

100% naturalNo additivesCalcium-rich treatSimple weekly feeding

Why people buy

Simple feeding. Healthier birds.

Live Calci Worms make treating your hens feel simple and worthwhile.

They support natural foraging behaviour, add enrichment to daily feeding, and give you a clear way to feed the right amount each week.

Subscribe and save 20%.

Natural enrichment

Live treats help encourage natural foraging behaviour and make feeding more engaging for your hens.

Calcium-rich treat

A natural, calcium-rich addition to complement your hens’ usual diet.

No additives

Simple, natural feeding with no unnecessary extras.

Feeding guidance

How to feed Live Calci Worms

Feed around 10g per hen, per day as a treat.

That means 1 hen needs 70g per week, 3 hens need 210g, and 5 hens need 350g.

We’ve sized every pack to keep feeding simple, so you can choose by flock size rather than guessing by weight.

View Feeding Guide

Storage

Keep them cool and fresh

Store Live Calci Worms in the fridge on arrival.

Refrigeration helps slow pupation and keeps them in good condition for around 2 weeks.

Keep them cool, dry, and sealed properly between feeds for best results.

Reviews

Loved by chicken owners

The hens absolutely loved them. Really easy to choose the right pack size too.

Emily, Shropshire

Feels like a premium product for people who genuinely care about their birds.

James, Cheshire

Simple, natural, and easy to feed. I’d happily order again.

Sophie, Herefordshire

FAQ

Helpful answers

View all FAQs

What are Live Calci Worms?

Live Calci Worms are black soldier fly larvae — a natural, calcium-rich treat that hens love.

How much should I feed?

Feed around 10g per hen per day as a treat. Our pack sizes are designed to make that simple over a full week.

How should I store them?

Keep them refrigerated on arrival. Chilling helps slow pupation and keeps them in good condition for around 2 weeks.

How do subscriptions work?

Weekly subscription orders are packed every Wednesday. You save 20% versus one-off orders, and shipping is shown in the basket before checkout.

Ready to treat your flock?

Choose the right pack for your hens and keep feeding simple.