 On adult horses , the lay of the hair can create the appearance of stripes or " barring " on the neck and chest . Also due to the lay of the hair , newborn foals can appear to have stripes all over , reminiscent of zebra stripes . The breed standard refers to this as " hair stroke " . 
 On adult horses , the lay of the hair can create the appearance of stripes or " barring " on the neck and chest . Also due to the lay of the hair , newborn foals can appear to have stripes all over , reminiscent of zebra stripes . The breed standard <a href='uninflect' title='1'><mark>refers</mark></a> to this as " hair stroke " . 
On adult horses , the lay of da hair can create the appearance of stripes or " barring " on tdaneck and chest . Also due to thdaay of the hair , newborn foals can appear to have stripes alll over , reminiscent of zebra stripes . The breed standard refer to dis as " hair stroke " .