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.
The dapple coat in dachshunds is cause by a dominant gene and may not follow the coat color of mum or dad, but one parent must be a dapple to produce a dapple pup. Breeding from a lightly dappled can produce heavily dappled pups. To breed a puppy one of the parents must show the pattern.