I've been putting a lot of miles on my horse recently to get her ready for a CTR down in Florida. We jog three to four miles a day over soil that varies from sandy to loamy to a bit hard. Overall, the terrain is nice. Most of our horses are fine barefoot. My mare has been barefoot most all her life (was shod for a month last year) and we are just starting to experience "problems".
It's been about three weeks since her last trim. Her toes are chipping and pieces are breaking off. They look ragged around the edges. I've never seen her feet looking like this... It's concerning me. Do you think she needs shoes, or is this just superficial cracking and raggedness?