Managing eggshell quality at the end of the laying cycle

Eggshell quality

The eggshell contains 98% calcium carbonate. Therefore, it is crucial for eggshell quality that sufficient calcium is available for egg production. The diet should contain sufficient amounts of calcium with a good bio-availability, enough vitamin D3, and a sufficient amount of trace elements that have an influence on calcium metabolism.

Improving eggshell quality

In older hens, calcium uptake from the diet is not as good as it is in younger animals. The combination of a lower uptake of calcium and an increase in egg weight increases the amount of eggshell quality problems. Extra trace elements in combination with vitamin D3 should be provided. The 25-Hydroxy form of Vitamin D3 has been shown to greatly improve calcium metabolism in laying hens.

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