By Mayo Clinic Staff. An intravenous pyelogram (PIE-uh-low-gram), also called an excretory urogram, is an X-ray exam of your urinary tract. An intravenous pyelogram lets your doctor view your kidneys, your bladder and the tubes that carry urine from your kidneys to your bladder (ureters).
The silver, silver dapple, chocolate flax or Taffy gene. Silver, or silver dapple is the common term used for horses with a dilution gene that works to dilute black pigment. The gene usually causes a partial lightening of black pigment in the body coat and a more extreme lightening (or âsilveringâ) of the mane and tail.
Piebald is a safe means of creating white dachshund color, not lethal like dapple gene. Dapple piebald's often have one or two blue eyes-a solid piebald or brindle piebald will never have blue eyes only brown eyes. It is impossible to have blue eyes on a dachshund without the dapple pattern.nlike the dapple the piebald will never have blue eyes unless that dog or puppy is a piebald dapple. White spotting is Irish white spotting in a dachshund. This would include any amount of white on a dachshund they should have four white legs, a white tipped tail, and a white chest.