Pregnancy termination in a mare with hydroallantois

Kristyn Burton; Reed  Holyoak; Adam  Bassett; Dale  Kelley

doi:10.58292/CT.v17.12176

Kristyn Burton College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
Reed Holyoak College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
Adam Bassett College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
Dale Kelley College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA

DOI: https://doi.org/10.58292/CT.v17.12176

Keywords: Hydroallantois, mare, termination of pregnancy

Abstract

We describe the successful management, resolution, and subsequent return to breeding of a mare with hydroallantois. A 14-year, American Quarter Horse mare in late pregnancy was referred for marked abdominal distention with a history of treatment for placentitis. Physical examination findings were consistent with hydroallantois. It was decided to terminate pregnancy. During fetal delivery, dystocia was diagnosed and corrected under field anesthesia; recovery was uneventful. Mare conceived the following season and delivered a healthy filly.

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