Why is the bottom of your horses hoof black around frog?

You're describing a common characteristic of horse hooves called the "sole". It's not technically black, but rather a darker, tough, and often slightly rubbery area surrounding the frog. Here's why:

* Protection: The sole acts as a protective layer for the sensitive tissues underneath, including the frog. It cushions impact and helps prevent injuries.

* Structure and Support: The sole helps maintain the hoof's shape and provides a strong base for the horse to stand on.

* Conformation: The sole's color and texture can vary depending on the horse's breed, age, and overall health.

* Pigmentation: Some horses have naturally darker soles than others due to pigmentation differences.

The frog, on the other hand, is a triangular, soft, and often pale-colored structure located in the center of the sole. It plays a vital role in absorbing shock, circulating blood, and promoting hoof health.

Here are some things to keep in mind about the sole and frog:

* Keep it clean: Regular hoof cleaning is important to remove dirt, debris, and any accumulated moisture, which can lead to infections.

* Monitor for signs of problems: If you notice any unusual discoloration, swelling, or sensitivity around the sole or frog, consult a veterinarian.

If you're ever unsure about anything related to your horse's hooves, it's best to seek professional guidance from a veterinarian or farrier.