Heat stress and age are common causes of
reduced egg shell quality and incur large economic losses in the Indian poultry
industry. A number of plants are known to contain high levels of metabolically
active vitamin D3. Studies have shown that under adverse conditions, these can
be useful in reducing the egg shell quality problems associated with age.
This article can also be found at Feed Mix, volume 11, no. 4
FM_11.4_8.pdf