Communication 2 on the Warmblood Fragile Foal Syndrome

In our initial communication about WFFS we suggested that all warmblood stallions be tested and mentioned that all warmbloods are affected which, of course, includes the mares as well. It is therefore important to emphasize that breeders should test their entire breeding stock (mares and stallions) to avoid – unknowingly –breeding two carrier warmbloods with the possibility of a fatal genetic mutation.

So, consider the following cases:

If a mare owner intends to breed to an untested stallion, the mare should be WFFS tested to avoid the possibility of a carrier (mare) to carrier (stallion) breeding. The risk remains though that an untested stallion may be a carrier stallion.

It is also recommended that the owner of a WFFS carrier stallion should require from the mare owner to present a negative WFFS test result in order to a breeding contract coming to fruition.

Stallion owners are encouraged to always make the WFFS test results public, and mare owners should thoroughly enquire before they make a breeding decision.

But remember: Once a genetic mutation has entered into a population, it will stay in that population.

The American Warmblood Registry is of the belief that incidences of fatal WFFS mutation will remain rare when warmblood breeding is managed wisely and correctly.

We will continue to do research on the Warmblood Fragile Foal Syndrome to support our members in the most effective way.

WFFS test order forms are available on our website under Forms & Documents.

 

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