Abstract
Each under and well nourished rats increased in their body weight by vitamin D2 administration, and the phosphorus, calcium, iron and copper content increased in bone and liver. The effect of vitamin D2 was clearly observed in the under-nourished rats, except potassium content in bone which was decreased contraversely.
The calcium content in bone, liver, kidney and other organs of both group of rats increased remarkably by calcium administration.
The copper content increased except the wall of digestive organs, the iron content also increased inbone and liver but in the other organs of under-nourished rats sometimes decreased by vitamin D2 administration.
