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During fetal development, urine is expelled from the foal’s bladder through the urachus into the allantoic sac, the fluid that surrounds the fetus. After birth, this quickly closes in a few hours. In the event that failure of the urachus to close, urine can drip or stream from the naval.
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Raleigh Bartlett Animal Hospital
Phone: (901) 388-9550
4318 Stage Rd. Memphis, TN 38128
© 2025 Raleigh Bartlett Animal Hospital.