Purina® Oyster Shell

Supplement your laying birds’ feed for stronger shells and healthier birds. Purina^® Oyster Shell helps support eggshell integrity by providing a source of calcium for laying birds. Recommended for any egg-laying bird – chickens and turkeys.

Find a Retailer eTips

Product Overview
Life Stage
- Laying Hens
Type
- Treats & Supplements
Features & Benefits

Research-proven feed

Purina^® has been conducting poultry research for nearly a century. We have a flock of backyard birds at the Purina Animal Nutrition Center to help our nutritionists, feed formulators and flock caregivers evaluate our feeds before we put them on the market.

Added calcium

When complete layer feeds aren’t accessible or during times of stress for your birds, Purina^®Oyster Shell provides an excellent source of supplemental calcium.

Mixed flock

For egg-laying chickens and turkeys.

NUTRITIONAL INFORMATION

When it comes to nourishing and nurturing your animals, quality matters. Purina's research-proven products are formulated with the best ingredients that meet our stringent quality standards to provide your animals with optimal nutrition.

See Full Details

NUTRITIONAL INFORMATION

When it comes to nourishing and nurturing your animals, quality matters. Purina is dedicated to providing the highest-quality, research-proven products formulated with the best ingredients that meet our stringent quality standards to provide your animals with optimal nutrition.

Guaranteed Analysis

Nutrient	Min/Max	Amount
Calcium (Ca)	MIN	36 %
Calcium (Ca)	MAX	41 %

Feeding Directions

Description

Purina^®Oyster Shell provides supplemental calcium in situations where the fortified layer diet may be diluted with additional low-calcium foodstuffs.

Caution

Use only as directed. If an excessive amount of grit accumulates in the feed troughs, reduce the level added.

Important

Provide free choice next to feed during the laying season, or mix 1 lb with 20 lbs of feed.

CONTINUOUSLY INNOVATING ANIMAL NUTRITION

Purina is relentlessly seeking the next innovation in animal nutrition and targets relevant issues facing animal owners to help enhance their animal raising experience.

Learn More

CONTINUOUSLY INNOVATING ANIMAL NUTRITION

Purina is relentlessly seeking the next innovation in animal nutrition and targets relevant issues facing animal owners to help enhance their animal raising experience. We’ve conducted over 24,000 animal nutrition studies and counting to find impactful, accessible solutions for animals and their owners.

Our research is performed in fields across the country and on our 1,200-acre working farm in Gray Summit, MO, the Purina Animal Nutrition Center, where we care first-hand for over 3,000 animals, every single day, ensuring our outputs of research, knowledge, and product innovation work properly for the real-life needs of animals.

Great product

I love the oyster shells as well as the size of product and the price. Both of these make it a great choice for me and my birds.

Reviewer Name

Buck123

Great Product!!

A great product to mix into your chickens feed to keep them laying strong eggshells which keeps them healthy too!

Reviewer Name

VeronicaR

Excellent feed

Purina has the best poultry feed...you really are the best in the business, I wouldn't hesitate recommending you guys to anybody wanting the best quality poultry feed for nutritious eggs and meat, with so many health benefits!!!

Reviewer Name

Sdufuza3000

a must have

I buy this once every 6 months and it lasts for my little flock of 12 birds. They need the calcium for their eggs. This is easily to digest and I really recommend this brand.

Reviewer Name

lilmise

From soft shells to hard shells

Bought this to cure the problem and it did, the best part is the chickens think it’s a treat

Reviewer Name

Ipdmartin1961

Driven By Science
& Our Love of Animals

Purina understands and cares about the unique needs of your animals and the importance of bettering their well-being, performance and health. For more than 125 years, we have been tackling the biggest nutrition challenges using science, and our love of animals pushes us until we get it right. Our team is made up of more than 500 Masters of Sciences, Ph.Ds., veterinarians, nutritionists, microbiologists, geneticists, and immunologists, all who share a passion for providing animals with the best nutrition for the best results.