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The Best Oyster Shells For Chickens of 2023 – Reviewed and Top Rated

2,284 Reviews Scanned

Rank No. #1

Manna Pro Crushed Oyster Shell Calcium Supplement For Laying Chickens - Poultry Treat - 5 lbs.

FOR LAYING POULTRY: Our crushed oyster shells are crafted to provide essential calcium for all laying poultry including chickens, ducks, and quails; from backyard flock to commercial farms, our product is the perfect addition to your chicken feed
OYSTER SHELL & CORAL CALCIUM: Our chicken oyster shells are made from a blend of crushed oyster shells and coral calcium, ensuring that your poultry receive a high-quality source of chicken calcium that is easily digestible
STRONGER EGGSHELLS: Our crushed oyster shells are an excellent source of calcium for chickens, providing the necessary nutrients for proper eggshell formation, resulting in high-quality eggs and a healthier flock overall
HEAT TREATED FOR PURITY:Our oyster shells for chickens are heat treated to ensure maximum purity and cleanliness; our crushed oyster shells for chickens are free from harmful contaminants, bacteria and pathogens, making it safe for your poultry to consume
MADE IN USA: Our chicken food is proudly made in the USA, using only the finest ingredients; by choosing our crushed oyster shells for chickens, you're ensuring your birds receive a high-quality, domestically made product that you can trust

Rank No. #2

Purina Oyster Shell Poultry Supplement, 5 lb bag

Excellent source of supplemental calcium- Supports egg shell integrity

SaleRank No. #3

Scratch and Peck Feeds Cluckin' Good Oyster Shell Supplement for Chickens and Ducks - 4-lbs - 9300-04

Oyster Shell is an all-natural calcium supplement used to increase eggshell strength for laying poultry.
Calcium is included in all layer feeds; however, different breeds may require varying amounts. By offering free choice, birds will take what they need when they need it.
In addition, if a calcium deficiency occurs, birds will pull from their skeletal system leading to poor health – let’s not let that happen!
Supplementing calcium is an easy way to ensure strong eggshells and to keep your flock happy and healthy.
We suggest offering Cluckin’ Good Oyster Shell in any of the following ways; free choice in a separate dish or tossing on the ground in their coop area to encourage natural scratching behavior.

Rank No. #4

Small Pet Select Flaked Oyster and Seashell Mix-Calcium Supplement for Chickens & Ducks (5lb)

Flaked Oyster and Seashell Mix
Oyster shell supplements calcium for laying hens
Increases strength of eggshells, making for a healthier bird, and better egg quality. All natural, calcium supplement, leads to stronger shells.
Promotes healthy plumage of chickens, ducks, other waterfowl
100% satisfaction guarantee**

Rank No. #5

TASTE & SEE THE DIFFERENCE IN YOUR EGGS: Or our humans will make it right
STRONGER EGGSHELLS: Get stronger, thicker, healthier eggshells from laying (20+ weeks) chickens by boosting their calcium with oyster shell organic, all-natural calcium booster
LAYING CHICKENS NEED CALCIUM: Eggshells are 94-97% calcium carbonate. Oyster shell is an organic, natural way to give chickens the calcium boost needed to produce strong eggshells that will not break
HEALTHIER FOR LAYING CHICKENS: Strengthen bones (reduce bone break & damage), bolster blood vessels, boost immune systems, improve cardiovascular function & reduce egg breaking with oyster shell
1 CHICKEN = 1 lb. PER MONTH: Laying chickens eat oyster shell as needed (similar to grit) & will not overeat. Quantity varies by breed & weather; 1 lb. each month per laying chicken is average

Rank No. #6

Oyster Shell Powder - All Natural Ground Oyster Shell Flour for Chickens and Plants (5 pounds)

Oyster Shell provides beneficial Calcium for your plants
Powdered Oyster Shell is perfect for supplementing your Chickens diet for Super Strong Eggshells!
All Natural Oyster Shell Powder
Use Oyster Shell in your garden, or for your chickens!
Oyster shell flour (ground oyster shells) are a natural source of concentrated Calcium

Rank No. #7

LITTLE FARMER PRODUCTS Oyster Sure Shell | Natural Oyster Shell for Chicken Poultry Calcium Supplement | 5 lbs

Little Farmer Oyster Sure Shell is an excellent source of calcium for your laying hens. Chickens need calcium in order to produce higher quality eggs with greater shell integrity. Thin-shelled eggs will crack too easily, so a stronger shell is critical for practical use.
In addition, hens require a steady store of calcium in their bodies to produce eggs or they will start leaching calcium from their own bones in order to do so. This leads to brittle bones that can break. Not good. Your laying hens need Little Farmer Oyster Sure Shell!
If your laying hens are already getting a calcium-enriched feed, it is unlikely that it contains enough calcium to meet your hens' needs. Oyster shells are an easily digestible, soluble calcium supplement. It is only necessary to give oyster shells to laying hens.
Made in the USA

Rank No. #8

Pacific Oyster Shells - Crushed Oyster Shell Calcium Supplement for Egg-Laying Poultry (Chickens & Ducks) (15)

Best calcium for laying hens
Oyster shells reduces the risk of eggs breaking
Reduces the risk of bones breaking or any bone damage
Good source of calcium for strong eggshells
Strengthens blood vessels

Rank No. #9

ESVK Natural Flaked Oyster Shell - 4 Pound (Pack of 1) | Calcium Supplement for Chickens, Ducks, and Other Birds| Made in USA (4 lb)

Natural Flaked Oyster Shells - 4 LB (Pack of 1)
Great Calcium Supplement for Chickens, Ducks, Birds, etc.
Easy To Use & Store Packaging
Made Up of 100% Oyster Shells
Made in USA

Rank No. #10

Purina® Oyster Shell for Laying Chickens & Turkeys | 50 Pound (50 LB) Bag

- 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
- 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
- Supplement your laying birds’ feed for stronger shells and healthier birds

Rank No. #11

Executive Deal Executive Deals Crushed Oysters Shell Calcium Supplement for Chickens Feed - 10LB (Double-Sealed), 10 Pound (Pack of 1)

Premium Oyster Shells Calcium Supplement for Chickens Feed - 10lbs
A Significant Source of Supplementary Calcium for Egg Producing Chickens
Cleaned, Heat-treated, and Crushed Oyster Shells
Highly Improves the Strength of Eggshells🐣
Varies in Shapes & Size*

Rank No. #12

Southside Plants Oyster Shell Flour - High Calcium Supplement for Chickens, Amphibians, Reptiles, Mammals, Invertebrates & Birds - Harvest Delight Chicken Scratch | 5 lbs (5 lb)

HEALTHY & NUTRITIOUS - 5lbs Oyster Shell Flour has a lot of calcium and nutrients. Superior nutrition retention to crushed, Oyster Shell Flour provides essential calcium & nutrients that help Chicken, Hen, Bird, Reptile enhance egg production and promote stronger eggshells.
PREMIUM QUALITY - No harmful Chemicals. No additive or preservative. Ideal pets treated with high Calcium and other vital nutrients help pets boost their immune system for healthier living.
SOURCE OF CALCIUM: Rich source of calcium for stronger bones and health. Oyster Shell Flour is an Excellent Source Of Calcium For All Reptiles, Chickens, Amphibians, Mammals, Invertebrates & Birds.
USES: Safe for amphibians for Chickens, Amphibians, Reptiles, Mammals, Invertebrates & Birds. Coat Feed Insects. Used to add nutrients to substrates for Isopod or Millipedes. Use for calcium supplement for chickens.
EASY TO MIX: Oyster shell flour is easy to mix into your chicken food for less waste than traditional Crushed Oyster Shell. Mix in oyster shell flour to your isopod and millipede substrates for a continuous source of nutrition and calcium. Oyster shell flour can also be used to coat insects before feeding to reptiles.

Rank No. #13

Oyster Shell Flour – Made in USA Soil Amendment Fertilizer for Indoor/Outdoor Plants & Flower Gardens. High Calcium Supplement for Chickens, Reptiles, Worm Compost Bins, Mushroom Cultivation

PREMIUM QUALITY INGREDIENTS – Cz Garden Oyster Shell Flour is high purity, high calcium nutrient designed to boost the healthy development of all your indoor/outdoor flowers, fruit, vegetables, and more!
PLANTS - provides a long-lasting, steady release of nutrients to correct calcium deficiencies, safely raise and regulate pH levels, improve fertilizer uptake, promote healthy cellular structure and enhance soil tilth
CHICKENS - Promotes enhanced egg production and stronger eggshells. Cz Garden Oyster Shell Flour is an excellent source of Calcium For Chickens, Amphibians, Reptiles, Invertebrates, Birds, and more!
WORM BINS – Promotes more active habitats for soil microbes in compost piles and worm bins
RESEALABLE, EASY POUR PACKAGING: Cz Garden Oyster Shell Flour comes sealed in a 5lb, heavy duty resealable pouch. Pour the necessary quantity with ease and store the rest for future use.

Rank No. #14

Oyster Shell Feeder for Chickens

May improve the hardness and durability of egg shells
Gives the chickens the option to have more calcium if they need it. Safe option for roosters—does not force them to supplement with calcium if they don’t need it.
Automatically refills the eating cup as needed. Saves time by not requiring frequent refilling.
Installs easily. The back of feeders slip onto to the head of a screw. You can mount the screw onto any wood piece in the coop or run.
Drains water while oyster shells remain.

Rank No. #15

Evergreen Farm and Garden Costal Brand 50 lb Bag Oyster Shell - Calcium Rich Bird Grit - Bundled

High-Quality Calcium Source: Our Oyster Shell is a premium-grade calcium carbonate, specifically crushed to provide a calcium-rich bird grit component. It offers an excellent source of calcium, promoting optimal digestion in birds.
Aid in Digestion: Designed to support the digestive system of birds, our Oyster Shell is finely crushed to ensure easy consumption and absorption. The calcium-rich composition aids in breaking down food, enhancing digestion and overall nutrient absorption.
Nutritional Boost: Adding our Oyster Shell to bird food provides a natural and highly effective way to supplement their diet with essential calcium. This crucial mineral is vital for bone development, eggshell formation, and overall avian health, promoting strong and healthy birds.
Versatile Usage: Our Oyster Shell is not only suitable for bird food, but also for various poultry and livestock applications. Its versatility makes it an ideal choice for farmers, backyard enthusiasts, and anyone looking to provide a calcium boost to their animals' diets.
Trusted Quality: We take pride in offering the highest quality Oyster Shell available on the market. Sourced from trusted suppliers and processed with precision, our 50 lb bag ensures you have an ample supply of premium-grade calcium carbonate for your birds or animals.

Rank No. #16

Small Pet Select - 100% Flaked Oyster Shell, Calcium Supplement for Chickens, and Ducks, 5lb

100% Fine Flaked Oyster Shell- No seashell, or other types of shell, this product is 100% flaked oyster shell.
Uniform Size- No big chunks, or pebbles. Is flaked at ideal size for easy consumption and absorption.
Low Dust- Less waste, no wasted dust at the bottom.
Calcium Supplement- Laying chickens require additional calcium to ensure their health and the health/strength of eggshells they produce.
100% Satisfaction Guarantee

Rank No. #17

Small Pet Select- Oyster Shell Pebbled, Chicken Layer Calcium Supplement, 5lb

U.S. Sourced Pebbled Oyster Shells for Chickens
Gives the calcium boost your layers need.
Larger pebbled pieces provide 24-hour release of calcium.
Increases strength of eggshells. Healthier chicken = better egg quality.
100% satisfaction guaranteed.

Rank No. #18

Manna Pro Chicken Supplies | Chicken Grit, Grit for Chicken Food | 25 Pounds

Manna Pro Grit helps with proper digestion
For all classes of poultry
Insoluble crushed granite
Convenient 25# bag
Manna Pro nurturing life

Rank No. #19

YU YAO Oyster Shells for Chickens Chicken Calcium Supplement Provide Natural Calcium Improves The Quality of Eggs and Strengthens The Bones of Animals Three Sizes for Various Animals 2LB

The best source of calcium. Are you still looking for natural calcium supplements for your animal friends? With the careful selection of animal experts, you can stop worrying about your animal's calcium deficiency. Multiple sizes of oyster shells provide the most suitable solution for all kinds of small animals
More eggs and stronger bones. Keep the bones of animal life strong with this oyster shell supplement. The calcium in shells may help support the growth and maintenance of strong bones, teeth and joints. In particular, adding shellac to the feed of laying hens or breeders can significantly improve eggshell quality, resulting in stronger shells, fewer breakage and soft eggs, and higher egg production rates
Easy to use: Simply mix 1 teaspoon of shellac with 1 pound of animal food, or as directed by your veterinarian. If used on laying hens it can be a mixture of small and large pellets that not only provides calcium but also acts as a sand-like grinder to promote digestion of the feed
Nature's gift: made of selected high-quality shells, steam cooked at high temperature by freshwater rinsing and crushed by high-temperature calcination. It contains only pure shells, without any artificial ingredients or fillers.
Easy to absorb:Quickly meets the daily calcium needs of animals. Each serving of shells provides 3500 mg of elemental calcium

Rank No. #20

Natural Crushed Oyster Shell with Calcium (8 lb)

All natural crushed oyster shell
Wonderful amenity to any garden
Slowly releases calcium, a much needed nutrient
Helps neutralize soil acidity

Last update on 2023-10-20 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Oyster Shells For Chickens?

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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Oyster Shells For Chickens.
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FAQ:

Q: How do you give oyster shell to chickens?

A: Stuff the oyster shells into a bag. You should break up the oyster shells first so the chickens have an easier time eating them. Start by loading all of the shells into an old sack, pillowcase, or feed bag. These are all safe ways to hold the shells as you strike them with a hammer. Tie the sack shut to protect yourself from flying fragments.

Q: Why are oyster shells good for chickens?

A: Oyster shells provide both calcium and grit. Hens that are laying eggs need a source calcium to replace what they use in making their egg shells. Putting the Oyster Shell along the edges of things keeps it from being walked in as much helping to keep the shells clean, and reduces waste.

Q: Do laying chickens need oyster shells?

A: Only laying hens require oyster shell; chicks, the older chickens and roosters do not require any oyster shell added to their diet. In fact, too much calcium can be detrimental to a hens’ health, so it is best to offer up oyster shell in a separate container. Those hens that need it will take it,…

Q: Do chickens need grit and oyster shell?

A: If you are only feeding food scraps, treats or scratch feed, to chickens in a coop, yes, you need oyster shells and grit. Chickens have this thing called a gizzard. You know what that is, they fry or steam them at your local chicken place for a tasty chewy treat.