RBH - 2017-03-25 2:52 PM Thanks everyone! I am going to pass on the horse. I am a serious buyer and the seller is awesome, but I just agree that it is too much to ask. Someone that knows the mare said she sweats much more than average and gets (visually) tight muscled before a run. That is the only red flag, but I can't take a chance. I'm disappointed, both by missing out on this mare and by not having an easier way to pre-purchase check for this very debilitating condition!

draftmare - 2017-03-24 1:09 PM I understand your concern as I too have a PSSM horse, but as a seller I would not agree to that. A muscle biopsy is invasive and requires stall rest to recover and heal from. If you are having feelings that this horse may have PSSM, then I would walk away. The hair test and blood test only test for type 1. Type 2 is only found through a muscle biopsy. I have heard rumors that there is also now a type 3, but I don't know how that is tested for.

RBH - 2017-03-24 12:27 PM Hi, I am doing a pre-purchase on a mare (out of state). I am concerned about pssm2 after a terrible experience living with one. This mare has not tied up, but I do think there have been some minor warning signs disclosed. Probably not anything anyone else would tune in to, but after my experience I am sensitive. It would be a deal breaker for me as I do not ride/work horses 7 days a week. Muscle biopsies are kind of a big deal. As a seller are you going to agree to a 1/2 inch cube biopsy on a horse that may or may not sell? This seller is very nice, but sheesh...it's a lot to ask!! I didn't realize it was so invasive.