脐炎，脐部未愈合，雏鸡
Unhealed navel, 1-day-old chick. The unhealed navel is in the center of the unfeathered area of the abdomen. The cloaca is posterior to the navel (on the right of the photo)
Courtesy of Dr. H. John Barnes.
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Unhealed navel, 1-day-old chick. The unhealed navel is in the center of the unfeathered area of the abdomen. The cloaca is posterior to the navel (on the right of the photo)
Courtesy of Dr. H. John Barnes.
