I think you will find answer here:
As for brooming, might have to go to page 7 @ link below. I have mis-measured all my oryx horns as I did not realize the circumference was included. I knew it was on whitetail, but had never measured the exotics before.
https://safariclub.org/wp-content/uploads/2020/05/SCI-Measuring-Manual-Sept-2019.pdf
Regards,
hps
As for brooming, might have to go to page 7 @ link below. I have mis-measured all my oryx horns as I did not realize the circumference was included. I knew it was on whitetail, but had never measured the exotics before.
https://safariclub.org/wp-content/uploads/2020/05/SCI-Measuring-Manual-Sept-2019.pdf
Regards,
hps