Find a farrier and allow that person to used their knowledge and skills. A Coggins test is a blood test to detect the disease, Equine Infectious Anemia. There is no vaccine or treatment for this disease. Some horses, such as those at boarding stables or horse shows, and required to have an annual negative Coggins test. Horses should have their teeth checked annually for abnormal wear.
Some horses develop sharp edges on their jaw teeth which can make eating uncomfortable.
A special file called a dental float is used to remove these sharp points.