Vitamin D2 is not biologically active for Rora (Labeo rohita) as vitamin D3.

@article{Ashok1999VitaminDI,
  title={Vitamin D2 is not biologically active for Rora (Labeo rohita) as vitamin D3.},
  author={A Ashok and Duggi V. Sridhara Rao and Srinivas Chennaiah and Namala Raghuramulu},
  journal={Journal of nutritional science and vitaminology},
  year={1999},
  volume={45 1},
  pages={
          21-30
        }
}
The present investigation was directed towards finding the relative biopotency of vitamin D3 and D2 in fish. The freshwater column feeder fish Labeo rohita (Rora) was used for the study. The feeding of Rora with graded levels of vitamin D2 (550, 1,100 and 1,650 i.u./kg diet) and vitamin D3 (1,100 and 1,650 i.u./kg diet) resulted in no behavioural or morphological changes in comparison with the group fed a vitamin D-deficient diet. Also, the growth rate, feed efficiency, mortality rate, carcass… CONTINUE READING

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