Soft-Shelled Eggs- How Diet Matters
- Donna Weekes
- Jan 18
- 4 min read
Updated: Mar 7
A common issue that can frustrate hen owners is the production of soft-shelled eggs. These eggs not only present a challenge for backyard chicken keepers but also raise concerns about the health and welfare of the hens. What many may not realize is that the answer often lies in the hens' diet. A better understanding of how nutrition impacts eggshell quality can empower hen owners to make informed decisions for healthier production.
Understanding Soft-Shelled Eggs
Soft-shelled eggs lack the solid shells necessary for protection. Instead, they possess only membranes. This condition often occurs when a hen's body does not receive enough essential minerals to create strong and healthy shells. While soft-shelled egg production may sometimes be a temporary issue, chronic occurrences can lead to serious health risks for the hen. These risks include complications like egg-binding and increased susceptibility to infections.
The occurrence of soft-shelled eggs often traces back to nutritional deficiencies. Hens need a balance of vitamins, minerals, and other nutrients to support their reproductive health. By adapting their diet, hen owners can see a noticeable improvement in both shell quality and general well-being.
Young pullets, coming into lay can possibly lay soft-shelled eggs. That is nothing to be concerned about as their reproductive tract is still trying to regulate itself.
Essential Nutrients for Strong Eggshells
Calcium
Calcium serves as the key ingredient in eggshell formation. It's crucial for maintaining the structure and strength of an egg. Hens that do not get enough calcium may produce soft-shelled or even shell-less eggs. Common sources of calcium include limestone, found in a Nutritionally Complete Layer Feed and crushed oyster shells. Research indicates that when hens receive sufficient calcium—around 40 grams per day—eggshell strength can improve significantly.
Never mix oyster shells into their feed. Offer the oyster shell in a separate dish, free choice. A laying hen will regulate her own calcium intake and take the oyster shell when her body requires it.
Phosphorus
Just as important as calcium is phosphorus, which works alongside calcium to promote healthy bone and shell formation in hens. An optimal calcium-to-phosphorus ratio is generally recommended at 2:1. For instance, if a hen receives 1,000 mg of calcium, it should also get about 500 mg of phosphorus to ensure optimal eggshell production.
Vitamins
Vitamins play a key role in overall hen health, impacting everything from immune function to egg-laying performance. Vitamin D, for instance, facilitates calcium absorption, while Vitamin A supports hen growth. Hens receiving a diet balanced in these vitamins typically show a marked increase in egg quality.
The Role of Protein
Importance of Protein in a Hen’s Diet
Protein is another critical nutrient, especially during the egg-laying phase. A diet rich in protein is essential for the production of the egg's albumen and shell membranes, which provide the necessary foundation for strong eggs. But not just any protein will do, laying hens need Amino Acids which are the building blocks of protein. Amino Acids are found in a Nutritionally Complete Chicken Feed, in the right balance.
Quantity Matters
Hens generally require about 16-18% protein in their diet to maintain health and produce quality eggs. For example, a well-formulated layer feed that meets this protein requirement is often the most effective way to ensure hens do not produce soft-shelled eggs.
Practical Dietary Adjustments to Combat Soft-Shelled Eggs
Stick to a High-Quality Feed
Choosing a reputable, commercially produced layer feed can ensure hens receive vital nutrients for healthy egg production. These feeds are tailored to meet the needs of laying hens, including appropriate levels of calcium, protein, and essential vitamins.
Additional Factors Influencing Eggshell Quality
Stress Factors
Stress significantly impacts eggshell quality and can lead to the production of soft-shelled eggs. Factors such as cramped living conditions, overcrowding, or erratic daily routines contribute to heightened stress levels. Ensuring that hens have ample space, a calm environment, and a consistent routine can help reduce stress and improve egg production.
Health Monitoring
Conducting regular health checks is vital for spotting underlying conditions that could affect egg quality. Issues like parasites or infections can hinder nutrient absorption and lead to egg production problems. Staying vigilant about health issues will help ensure hens are healthy enough to produce quality eggs.
A Balanced Approach for Healthier Hens
Enhancing the quality of a hen’s diet is crucial for addressing the problem of soft-shelled eggs. By understanding the nutritional requirements—such as sufficient calcium, phosphorus, and protein—owners can feed their laying hens a balanced diet that supports strong eggshell production. Incorporating considerations for stress and regular health monitoring will also contribute to improved overall egg production and quality.
Though the occurrence of soft-shelled eggs might seem trivial, they often indicate deeper health and nutritional problems within a flock. By recognizing diet as a powerful tool in poultry management, hen owners can optimize production and ensure their flocks thrive.
Limiting treats and extras will also make an impact on the quality of the egg shell, as the extra foods throw off the balance of the proper nutrients a hen requires, that comes from their chicken feed.
Ultimately, the journey to healthier hens and stronger eggs begins with thoughtful dietary choices. This hidden influence of hens' nutrition serves as a clear reminder that the foundation of egg quality is fundamentally linked to what they consume.

After trying these suggestions and eggshell quality does not improve, we provide a supplement for hens to support the production of healthy shells, if needed.
Chick' N Egg
*Supports musculoskeletal integrity
*Promotes good bone structure
*Promotes a healthy eggshell structure
*Promotes the metabolism of calcium and phosphorus
*Provides 400 IU of Vitamin D3/ 5ml 1 (teaspoon)
*Source of calcium
For more information on other natural chicken products offered, visit chicknswell.ca
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