Sarah L. Ralston, VMD, PhD, Dipl. ACVN

Just because a horse is over 18 or 20 years old does not necessarily mean he needs changes in his feeding—but there are certain signs that indicate it might be time to re-evaluate.

Sarah Ralston, VMD, answers this reader question.

Can hair analysis determine what supplements a horse needs?

Sarah Ralston, VMD explains whether time on pasture results in better health.