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This is a discussion on Pssm? within the Horse Health forums, part of the Keeping and Caring for Horses category
  • If one parent is pssm positive will it passed to foal
  • Pssm should i buy

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    10-15-2010, 12:51 AM

Polysaccharide Storage Myopathy (PSSM) is a condition in horses where there is abnormal glycogen storage occurring in muscles resulting in the accumulation of excessive amounts of glycogen and an unusable polysaccharide. The accumulation of these compounds can result in symptoms that might range from reluctance to “move out," in its mildest form, to an acute episode of “tying up” or rhabdomyolysis. Another term for this condition is “Equine Polysaccharide Storage Myopathy” or “EPSM.."

A horse im considering has this.. the owner says...

"Unique and Noble have both tested positive for PSSM. Both are totally non-symptomatic. PSSM is a very old thing (tying up) but there is now a test for it, developed a couple years ago. It is not life threatening at all but it is nice to know, just incase. The stats show that 33% of all QH have it so all other stock horse will be the same. They are on special diets (high fat), preventative measures. We have been totally honest since finding out that Predestined is n/P1...contacted all P foal owners to give them the option to test or not test."

Should I be concerned? She says the filly is non-symptomatic, however is it worth my risk to spend the $10,000 on this filly?

Here's a picture of the little gal. She is thought to be a a chimera, formed from two embryos blending to form a single individual (also why the rare brindle color occcurs). She could have started as a pair of twins, one solid, one spotted, now blended into one horse. So she is very rare!
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    10-15-2010, 01:40 AM
Hmmmm has the filly herself been tested yet? I don't know.... its a gamble. I think 10grand is alot to pay for a foal. Is it just because her color is "rare" . Are you buying the filly just because of her color?? If so then I would pass, I don't think its worth the risk, just because of color. But that's me.
    10-15-2010, 02:03 AM
Her color and her world following. She also has decent bloodlines, not top of the world but good. She has been tested and it is positive. I think after much thought I am going to pass on this little one. She is unique as her name describes, but she will not throw the same color and pssm is something I do not want to pass onto foals if it is indeed hereditary.
    10-15-2010, 10:18 AM
Wow $10,000 on a horse with a serious disease that is sometimes manageable and never curable, which usually progressively gets worse with time... Seriously? No WAY- Pass.
    10-15-2010, 12:18 PM
Yupp. Lol
I was insane for even considering it. I passed already, her color is gorgeous and everyone and their brother wants her babies, but I am sure not after they find out about the disease. Poor lil thing.
    10-15-2010, 12:26 PM
O wow, ya definantly good idea to pass. I can't believe they are even asking $10,000!! For a horse that has a disease.
    10-15-2010, 03:31 PM
I know!!! She didn't tell me about the disease until I made the offer either. Luckily no money was put down, geesh.
    10-15-2010, 04:02 PM
I'm glad you decided to not buy this foal.......she is likely non symptomatic due to her young age.......I bought a pmu colt at 3 months and at 3 years of age he developed symptoms......and I had him tested and because he has a moderate amount of muscle involved he is unrideable....a pasture pet at age sad is that.

People should not be breeding horses that carry the PSSM is irresponsible.

Super Nova
    10-15-2010, 04:33 PM
Very much so.. I think it is completely wrong to breed horses with diseases such as PSSM or HYPP just because they are pretty. What a wasted life for that poor foal. Its such a shame.
    11-05-2010, 09:51 PM
Foal dare you use pictures of Unique in this way! You are using her image without my permission....along with private emails without my permission. And your ignorance of PSSM is ridiculous. I told you about Unique's PSSM up front...before any deal was finalized. I recent that you are incinuating that I was less than honest about Unique's PSSM. We only found out about Predestined's PSSM a few months ago and we have been very up front about it since. I have contacted as many Predestined foal owners as possible about the issue and how to handle it. And your comments about Unique not having TOP breeding is showing your ignorance about Appaloosa breeding. Predestined is the TOP producing son of Maids Dream!!! Don't ever refer to Unique as a poor little foal and what a waste again. She may have a disease but it is being responsibly handled and will lead a long, happy, useful life.

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