Why is vitamin d a nutrient of particular concern in older adults?

Permeability of the intestine to dietary vitamin D increases as the intestine ages, which increases risk for toxicity.
Vitamin D synthesis in the skin slows.
The kidneys accelerate the conversion of vitamin D to its active form, which increases the risk for toxicity.
None of these responses are accurate.

Your answer is going to be c. 

It depends,on your dog and the any trap.but i pray that he is fine.