OMG, I found this article on the dangers of drawing blood from the jugular vein on dogs. I know it doe not happen often but after what happen to Rose's baby it scares me to death. The following link gives a horrifying story of what happened to an adult dog.
Vet Botches Blood Test
Rose, I am so sorry for the loss of your baby but perhaps he did not die in vein and his story may save the life of many other precious babies. ((hugs))