In the case of an umbilical hernia, there is an opening in the muscle wall at the dog's navel allowing contents of the dog's abdomen to protrude.
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Pictures. It is a small outward bulging of the abdominal lining, generally found near the navel or belly button. An umbilical hernia puppy injury is a tear in your dog's abdominal wall.
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With an umbilical hernia you will notice that your dog's belly button has been replaced by a squishy protrusion. Over 90% of hernia cases are due to genetics, as puppies are most commonly born with them. If your vet diagnoses your adorable new puppy with a hernia, don't panic.
If a dog gets hit by a car or receives a severe blow to the stomach, a rip in the abdominal wall can occur, causing the organs to push out or herniate.
The most commonly seen hernias in pet dogs are umbilical hernias. When it comes to a puppy with a small hernia, a veterinarian will usually choose to wait until the puppy is six months old. In this case, the hernia actually appears when the puppy is still in the womb. When a puppy is in utero, an umbilical cord attaches the mother to the fetus, and nutrition and oxygen carried through it keeps the puppy alive.