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Cross
5 Ranch's breeding program is HYPP free.
We do not
accept HYPP NH or HH mares to our stallions,
nor do we breed our mares to HYPP possitive stallions.
This has been our policy since 1990 upon the purchase of our first
stallion, who was an Impressive grandson, and HYPP N/N
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Just
say NO
to HYPP positive Horses!
"Normal
(N/N) offspring safely can be bred, without fear of HYPP being
inherited. Selective breeding to normal (N/N) horses could entirely
eliminate HYPP disease. As HYPP is inherited as a dominant condition, it
can and is being spread to other breeds. It is to everyone's benefit to
take the necessary steps to selectively breed HYPP out of existence
before it becomes so widespread that this is impossible. "
Sharon
J. Spier, D.V.M., Ph.D. University of California at Davis School of
Veterinary Medicine, Department of Medicine |
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OUR
GOAL:
To breed quality conformationaly correct horses that have the versatility to
excel in the halter ring as well as performance events. With
exceptional temperaments, speed and cow and free from an genetic disorders,
including but not limited to HYPP.
OUR
Commitment:
All
of our horses are HYPP N/N meaning that they do NOT carry, nor can they
pass the disease. We are committed in breeding competitive halter
horses that are highly versatile, with good looks, enough speed, and cow
to allow them to do much more than just halter.
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Hyperkalemic Periodic Paralysis
Fact Sheet
 Hyperkalmenic
periodic paralysis (HYPP) is an inherited disease that
leads to uncontolled muscle
twitching or profound muscle weakness. In
severe cases HYPP may lead to
collapse and/or death.
HYPP is listed
as a genetic defect in AQHA's rules.
To date, HYPP
has been traced only to descendants of IMPRESSIVE,
AQHA #0767246.
HYPP is
inherited as a dominant trait, which means a heterozygous
(N/H) stallion or mare bred to a normal
(N/N) horse will result in
approximately half of the offspring
being affected and half being
normal. The rare homozygote (H/H)
usually is severly affected with the
disease and will pass the gene to its
offspring 100% of the time. A horse
that has tested N/N does not have the
gene that causes this condition
and will not pass it to any offspring.
Possible results of HYPP testing
are N/N, N/H and H/H.
Having negative
(N/N) results on file may prevent a horse's offspring
from being tested.
Unless test
results are on file with AQHA indicating a foal is negative
(N/N), foals born in or after 1998 and
tracing to IMPRESSIVE will
have a statement placed on their
certificates of registration that
recommends testing for the
condition.
Beginning in
1998, all foals that must be parentage verified and who
trace to IMPRESSIVE will be
tested for HYPP with the same DNA
sample submitted to the
laboratory for parentage verification. This
would include those resulting
from the use of transported semen or
embryo transfer.
AQHA will
accept HYPP test results only if performed through a
licensed laboratory and a
properly signed identity waiver is provided.
These currently include: University of
California at Davis; Shelterwood
Labs in Carthage, Texas; Mann Equitest
Labs in Guelph, Ontario;
NSW Agriculture in Wales, Australia,
Vita-Tech Canada Inc. in
Markham, Ontario; and Stormont Labs in
Woodland, California.
AQHA testing
kits can be ordered for $35.
HYPP can be
treated through diet and medication in most cases. For
more information concerning this
disease, call AQHA at (806-376-4811)
and request the HYPP brochure.
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