About PSSM2
PSSM Type 2, also referred to as PSSM2 is a congenital (genetically determined) muscle problem that occurs with a varying number of horse breeds.
Horses with PSSM type 2 do not have the mutation that is specific for type 1. Previously, PSSM type 2 could only be detected by means of a muscle biopsy (taken from the skeletal muscle of the hamstring; N, Semimembranosis), but now there are different genes found responsible for causing symptoms of PSSM type 2. PSSM type 2 is not linked to a sugar storage problem, although glycogen pooling can be seen in a biopsy of a horse with PSSM type 2. This is probably a by-product of an underlying issue.
For more information click the link below
PSHT rules regarding PSSM2
Currently the PSHT does not have any rules regarding PSSM2. It is still possible to test for PSSM2 through the PSHT. Please contact us for more information and prices.
