LAUSR

This study was conducted to provides detailed comparative ultrasonographic description of the pelvis in clinically normal horses and donkeys. It was carried out on 48 mature animals (30 horse and 18 donkey). Evaluation of pelvis was performed using transcutaneous and transrectal techniques. The following structures were examined; tubera sacralia (shape and distance between them and distance between each of them and first sacral spinous process), ilial wing, tuber coxae, ilial body, hip joint, tuber ischii, third trochanter, appearance and measurements of dorsal and lateral parts of dorsal sacroiliac ligament and thoracolumbar fascia, ischiatic table, obturator foramen and its contents, pubis, medial aspect of acetabulum and ilial body, sacroiliac joint and ventral aspect of sacrum. For each evaluated structure, the obtained results were compared between horses and donkeys. A high correspondence was found between pelvises of horses and donkeys concerning their ultrasonographic appearance and measurements except, for cross sectional area of both dorsal part of the dorsal sacroiliac ligament-thoracolumbar fascia combination and the sacroiliac joint width which showed significant difference between them.