I have a 14 yo anglo-arab mare. She is a distance horse competing in Competitive Trail Rides — usually 30-mile rides. I would like to make sure she is getting enough fat in her diet and would like to know if I need to give her glycogen supplements? She is 15.3 and 1100 lbs. I feed her 2 lbs of beet pulp, 1/4 c of apple cider vinegar with 30ml of flaxseed oil, electrolytes and 1 cup of rice bran (all wetted down with water) twice a day…