THE MERCK VETERINARY MANUALmultimedia

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  • Parturition in Horses
  • Stage II parturition, amnion at vulva, mare

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    Stage II parturition, amnion at vulva, mare

    The chorioallantois normally ruptures in the birth canal and allows the fetus covered by its white amnion to be expelled. The first membrane (amnion) that is seen at the vulva should appear as a white ball.

    Courtesy of Dr. Patricia Sertich.

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