equine congenital inguinal hernias are a common finding in clinical practice. since most cases are indirect hernias, these usually are treated clinically. inguinal hernias in newborn foals represent a surgical emergency, that, if not treated result in 100% mortality. a quarter-horse mth 36 hours of life with a volume on the left inguinal region, continous signs of abdominal pain and mucosal congestion was admitted at the hospital. the animal was imediately sent to surgery, where a hernioraphy by inguinal acces with ressection of an intestinal loop was realized. post-surgical evolution was satifactory and the animal today presents normal physical growth for the breed standarts.