<p><span style="font-family: Verdana;"><strong>ASD stands for Anterior Segment Dysgenesis.<br /><span style="color: #ff9900;">WHAT IS IT?</span><br />It is an eye abnormality that is associated with the Silver color in horses. <br /> </strong></span> <span style="font-family: Verdana;"><br /></span> <span style="font-family: Verdana;">The majority of affected horses have acceptable eyesight, although impairment severity varies between individuals. Horses with one copy of the gene can be affected but are usually not to affected. Horses with two copies of the gene will have more severe symptoms sometimes including cysts and malformed pupils sometimes including blindness. </span></p>
<p><span style="font-family: Verdana;">ASD is linked to the Silver gene in horses.<br /><br /><span style="color: #ff9900;">WHAT BREEDS ARE AFFECTED?</span><br /></span></p>
<p><span style="font-family: Verdana;"><strong>Affected breeds include </strong></span><span style="font-family: Verdana;">Rocky Mountain Horse, Kentucky Saddler, Miniature Horse any other breeds or individuals that have the color Silver.</span></p>
<p><span style="font-family: Verdana;"><br /><span style="color: #ff9900;">HOW IS IT TESTED?</span><br />There are no direct genetic tests for ASD, but a test for the Silver gene is available. If your horse has the silver gene or has two copies of the silver gene have your vet do an eye exam. <br /><br /><span style="color: #ff9900;">WHAT IS THE TREATMENT?</span><br /></span></p>
<p>T<span style="font-family: Verdana;">here is no cure for ASD. <br /><br /></span></p>
<p> <span style="font-family: Verdana;">The only way to prevent ASD is to not breed ASD positive horses. If you are incorporating Silver i</span></p>
Silver and ASD
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