It could explain why some horses are not as sick as we might expect them to be but it's not a reason to not treat because that high ACTH is a marker of the disease and how well, or not, it is controlled.
This is a fundamental reason why ECIR Group needs the details of a Case History. Just one of many fundamental reasons why.
The devil is in the details.
-- Nancy C in NH ECIR Moderator 2003 ECIR Group Inc. President/Treasurer 2019-2020 Join us at the 2020 NO Laminitis! Conference, October 22 - 25, Harrisburg, PA