I was told to always watch him with the antler make sure he is not being too aggressive and if so remove it for the time being but antlers are composed of calcium, phosphorous and as much as 50 percent water.
They also say this about them
Dog Antlers are a natural source of the following essential minerals:
<LI _extended="true">Collagen-Good for bones, tendons, ligaments, and cartilage <LI _extended="true">Lipids- Essential for growth and development <LI _extended="true">Glucosamine- Good for joints and tissue <LI _extended="true">Calcium- Benefits bones and teeth <LI _extended="true">Iron- Essential for healthy blood cells <LI _extended="true">Potassium- Good for nerve and muscle function <LI _extended="true">Magnesium- Aids in storing and releasing energy Phosphorus- Benefits bones and teeth
<LI _extended="true">Regenerative effects on joint cartilage and fluid <LI _extended="true">Healthier coat <LI _extended="true">Aids in kidney function <LI _extended="true">Improved wound healing <LI _extended="true">High calcium levels <LI _extended="true">Cleans teeth |