Re: Seasonal rise
Once a horse is diagnosed with PPID- our goal is to keep their ACTH levels in the high teens to low 20's year round.
I would agree with your vet to increase Max's dose. And recheck 3 weeks after a change in dose.
If this is Maddie's first test- I think I might wait until December or January and test ACTH again. This will ensure that the seasonal rise is not influencing her numbers. Does Maddie have any symptoms? Why was she tested?
How are Max's symptoms?
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