Dog Vitamins : Vitamin D

Vitamin D
- Vitamin D deficiency leads to rickets, a bone deformity disease in dogs.
- This vitamin prevents osteoporosis and hypocalcemia, and is essential for normal teeth, bones, and growth; and in the absorption of calcium and phosphorus.
- Vitamin D in nature is formed on the animal or human skin by sunlight. The vitamin is not included in most pet foods.
- Cod liver oil is a prime source.
- Little is known about animal requirements, but tropical zoo animals deprived of sunlight in northern winters need supplements to prevent crooked bones.
- Other functions include maintenance of mineral status; skeletal structure; muscle contraction; blood clotting; nerve conduction; cell signaling; phosphorous balance

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