Exudative diathesis in chick is caused by leaky capillaries in the breast muscle. Treatment with either vitamin E or selenium will be successful in both cases. E. It turns out that vitamin E prevents the formation of lipid peroxide from PUFA, and Se, a cofactor in the enzyme of glutathione peroxidase, is required to remove lipid peroxide. Vitamin D, a fat soluble factor in the cod liver oil, is known to cure rickets in humans. It s function is to modulate calcium metabolism in animal body.
Vitamin D is really a hormone.
It can be synthesized in animal body from cholesterol. Make sure you know all the chemical names involved in this process. Vitamin D deficiency leads to calcicum deficiency. Therefore, deficiency symptoms are the same as those of calcium deficiency. They include abnormal skeletal development and blood clotting problem.