does anyone know what this is??? - Page 2

Yellowrose, I do not agree that all umbilical hernias are hereditary. Often times the hernia occurs for a couple of reasons. A female who loves to lick her puppies entirely too much, and a female who is too vigorous in chewing the cord at birth and the cord is pulled to hard.  I have yet to see clear proof that umbilical hernias are hereditary. If you have found a link I have not found that has clear proof, I would love to see it. I am not challenging you by any means, I am truly interested in reading any studies that provide proof that this is hereditary.

there have been several posts on this in the past. Search for umbilical hernia on this message board and you will get more info from these previous posts. 
Yellowrose, heredity has not been fully determined. More likely if it is a true hernia. This does not look like it, more like a delayed closure, there is a difference. I have never had or seen a real hernia, these little bubbles have always closed up on their own, and there was no pattern even in repeat litters. A real hernia will not close on its own. That will then need attention, and yes in such a case that dog I would then not breed.
Always a good idea to keep an eye on things that are not quite normal though. If it bothers you have it fixed, otherwise wait if it closes on its own. Most likely will. 

Umbilical hernia. Not necessarily heritary. Can happen when mom or some well-intentioned human cuts/chews the umbilical cord off too short. Usually goes away as the dog grows, but if its really large (that one isn't) intestines can prolapse, needing surgery.

In this dog's case I would leave it, keeping an eye on it, because it will probably go away. If it doesn't have it stitched closed while the dog is anesthetized when you go for the OFA X-rays.

SS

I agree with everyone else that it does look like a delayed closure umbilicus. The "bubble" is generally fatty tissue that can come through the small opening.  It will probably close up on it's own. I have had a couple in my past litters from mothers being overly zealous in chewing the cord. Even though I explained it to the buyers BOTH of their vets unduly alarmed them and told them the puppy needed to be spayed. Both closed up normally as I had stated. Unfortunately vets are not always on top of the subject. Of course it would have nothing to do with the bread and butter that vets earn off of spaying and neutering??? lol Whatever the case... do not always trust your vet to know the difference between a delayed closure and a true umbilical hernia. Take a peak at the article below ... written by a vet.... for further information. Hope it helps!

Debby   ebinezer052899@yahoo.com  castlebrookshepherds.net/enter.html

www.showdogsupersite.com/kenlclub/breedvet/umbilical.html