More on bones
I just recently ran across the interesting and informative article “Bones Speak Volumes” (Conformation Insights, EQUUS 482), and I have an observation I would like to offer.
I am director emeritus of the Spanish Mustang Registry, founded by Robert E. Brislawn and others. Bob, or Mr. Mustang, as I knew him, was very much interested in bones, and he passed that interest to me. He was especially interested in the importance of the cannon bone and the lumbar vertebrae, as Deb Bennett, PhD, also discussed in great detail.
Bob classified mustangs’ lumbar vertebrae as having five, six, or five plus another (partial) piece of one. He was of the conviction of five being the purest.
I have personally examined the skeletal remains of approximately 20 Spanish Mustangs. My observation was that if a Spanish Mustang had five lumbar vertebrae, it would also have 18 thoracic vertebrae (or ribs). If it had five and a piece, there would be 17 ribs plus a partial rib, and if there are six lumbar vertebrae, there would be 17 ribs. John J. Adams Vardaman, Mississippi