Abstract
The present study will describe, for the first time, the uterine ultrastructural changes due to the infusion of ozone (O3) in healthy mares. A total of 21 females will be assigned into one of three groups according to the treatment (n = 7 mares/group): O3, ½O3 and Control groups will receive intrauterine treatment with O3-O3 gas mixture containing 42¼g, 21¼g and 0¼g O3/mL, respectively. T…