Hydrops amnii in a mare.

The research discusses a case of Hydrops Amnii, a condition characterized by an excessive accumulation of amniotic fluid, in a pregnant Welsh Pony mare. The mare showed signs such as anorexia, difficulty breathing, and a large abdomen, and subsequently aborted a 7-month-old fetus with abnormalities.

Objective and Background

• The purpose of this study was to investigate the case of a pregnant Welsh Pony mare who exhibited symptoms of Hydrops Amnii, a condition not commonly reported in horses but more frequently in cattle and sheep. It involved an in-depth examination of the mare’s health condition and the anomalies surrounding the fetus and its environment.

Methods and Approach

• The team diagnosed the mare on the basis of the symptoms such as loss of appetite, shortness of breath, and noticeable swelling of the abdomen.
• Ultrasonography was used to visualize the uterus and the amount of amniotic fluid surrounding the fetus. This technology played a crucial role in differentiating between Hydrops Amnii and Hydrops Allantois, a similar condition.

Findings

• The ultrasound imaging confirmed excessive amniotic fluid surrounding the fetus, establishing a diagnosis of Hydrops Amnii.
• Unfortunately, the mare ended up aborting a 7-month-old fetus that displayed signs of Brachygnathia (a congenital underdevelopment or shorten of the lower jaw) and an unusually large, swollen umbilical cord.

Significance

• This study is important as it sheds light on a relatively rare occurrence of Hydrops Amnii in horses and demonstrates the necessity of medical intervention when unusual physical symptoms are observed in pregnant mares.