Hypp N/H - Page 2 - The Horse Forum
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post #11 of 15 Old 02-28-2013, 01:42 PM
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Here's a small excerpt from an article on the Tufts Vet site:

"Get some carbohydrates into your horse - plain corn, light corn syrup, or even sugar will help. Avoid feeds with molasses added, as molasses is high in potassium. Sugar prompts the body to release insulin, which in turn has the effect of moving potassium back into the cells.


If you have already consulted with your veterinarian about your horse, she may recommend that you give your horse a dose of a drug called acetazolamide. This is a diuretic (makes your horse urinate) that also promotes the loss of potassium in the urine.
In the case of a moderate to severe attack, emergency treatment by a veterinarian is needed.
The goal of treatment is to decrease the amount of potassium in the blood stream - only by doing this will the muscles regain their ability to contract normally.
What can your veterinarian do to reduce the blood potassium?
One of the first things that your veterinarian will do is to give your horse dextrose (a sugar) intravenously. As with oral adminstration of sugar, this will help to drive potassium back into the cells.
Oftentimes, your veterinarian will combine the dextrose with bicarbonate, which has an additive effect with the dextrose.
If your horse is severely affected, your veterinarian may administer calcium intravenously - this may help to counter the effects of the potassium.
If none of this is helping, your veterinarian may choose to give insulin to boost what your horse is producing on its own in response to the dextrose.
Finally, your veterinarian will probably give acetazolamide, to encourage your horse's body to waste potassium."

Here's the link to the full article if you would like to read it, it's pretty informative. Hyperkalemic Periodic Paralysis : Cummings School of Veterinary Medicine at Tufts University
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post #12 of 15 Old 02-28-2013, 04:30 PM
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First of all....HYPP is not a "dominant trait"....it IS a gene mutation. The mutation is passed on in SOME horses and not in others. You can have a N/H sire or dam....and some get will be N/H while others will be N/N. It's a roll of the dice. An N/H horse has one copy of the gene, and H/H horse has two copies, and N/N horse has none. Some N/H positive horses are ASYMPTOMATIC and some are SYMPTOMATIC.

And yes....an attack can CERTAINLY cause death, as in the case of two N/H horses I worked with. You take a bigger chance on a death with an H/H horse than you do an N/H horse, but that chance is still there. Some horses have really mild attacks, others not....some attacks cause other problems. Some attacks are so mild that the owner might not even know....thinking that the twitching is because of a fly, then there are major twitches and ripples that I have seen first hand, then there are attacks where the horse hits the dirt and can not get up for a bit....seen those first hand as well.

The funny (well not funny), but the thing is the majority of attacks happen when the horse is at rest and NOT when the horse is being worked. This was the case in all attacks that I have seen.

Yep, diet is important....why take the chance by feeding what SHOULDN'T be fed. It only makes sense.

And because I have QH's, this is one of the BIGGEST reasons, I will ONLY BUY a registered horse because you have their bloodlines documented. HYPP has seeped into "grade" horses, Paints, Apps, crossbreds etc. So, in turn....the old saying "you can't ride papers"....does not ring true.
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post #13 of 15 Old 02-28-2013, 05:53 PM
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Originally Posted by GotaDunQH View Post
And because I have QH's, this is one of the BIGGEST reasons, I will ONLY BUY a registered horse because you have their bloodlines documented. HYPP has seeped into "grade" horses, Paints, Apps, crossbreds etc. So, in turn....the old saying "you can't ride papers"....does not ring true.
AMEN! And I hope that someday soon, all of the registries will require testing and disclosure.

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post #14 of 15 Old 02-28-2013, 06:06 PM
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Originally Posted by Dreamcatcher Arabians View Post
AMEN! And I hope that someday soon, all of the registries will require testing and disclosure.
Yep, AQHA is the ONLY registry that does, and has taken a stand on HYPP. The other stock horse breed associations have done nothing.
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post #15 of 15 Old 02-28-2013, 06:08 PM
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Originally Posted by GotaDunQH View Post
Yep, AQHA is the ONLY registry that does, and has taken a stand on HYPP. The other stock horse breed associations have done nothing.
I know. I'm a member of AQHA, APHA and PtHA and it disappoints me that the last 2 don't require testing and disclosure of both HYPP and OLWS.
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