HERDA is a genetic disease affecting Quarter Horses and horses of Quarter Horse lineage, such as Paints and Appaloosas.  Affected horses have trouble healing skin injuries.  Relatively minor skin injuries develop into severe lacerations often resulting in disfiguring scars.  Most horses cannot be ridden or shown competitively and must be euthanized.


HERDA is a recessive gene, meaning a horse must have two copies of it to be affected. 


Many horses affected with HERDA are often not diagnosed until they are over a year old but severely affected horses may have symptoms which include ‘stretchy’ skin that feels ‘mushy’ or ‘doughy’ to the touch shortly after they are born.


HERDA has been traced to the AQHA Sire POCO BUENO.

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Our main goal is to find the source horses for genetic diseases. In the meantime we also provide information to help Breeders, Buyers and Owners make good choices when breeding buying or selling their horses.

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