NRC recommendation: 200 ICU/kg diet (3200 ME/kg diet)

Vitamin Permix: For Prevention and treatment 5000-10000 ICU/ kg

Please read the following papers, they include the dose in iU/kg for chicken

http://www.poultrydvm.com/condition/vitamin-d-deficiency

https://www.wattagnet.com/articles/657-a-practical-guide-to-vitamin-d-nutrition-in-poultry

The recommendation is given on the basis of kg/diet. It is assume that One chicken can eat 100 gram of feed. recommended dose is 200IU /kg. So accordingly we need 20 IU/hen

About 2.00 - 2.250 IU / Kg diet.

Abdullah Fathi Abdul-Majeed how it comes 2-2.25 IU/kg ? It is too less. Pls confirm

100 mg

I following the best answer.

5mg/day

It is about 4000 IU/kg, for broilers daily intake it depends on feed intake. so the range would be 200 to 800 IU/day