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A rare congenital defect in a newborn calf resulted in severe facial bone malformations, including a single central eye and an abnormal mouth. This case highlights unusual developmental anomalies in bovine skulls.
Area of Science:
- Veterinary Pathology
- Developmental Biology
- Congenital Anomalies
Context:
- A newborn calf presented with a severe congenital skull malformation.
- The anomaly involved significant defects in facial bone development.
Purpose:
- To document and describe a rare case of severe craniofacial malformation in a bovine neonate.
- To provide a detailed morphological description of the observed abnormalities.
Summary:
- The calf exhibited cyclopia (a single central eye) situated on a protruding stalk.
- Absence of most facial bones, abnormal ear placement, and an anus-like oral opening were noted.
- The single eye was positioned anteriorly on a 5 cm stalk, with the mouth located ventrally.
Impact:
- This case contributes to the understanding of rare developmental errors in mammals.
- Provides a reference for veterinary diagnosticians encountering similar craniofacial anomalies.
- Informs research on genetic and environmental factors influencing embryonic facial development.
Abstract:
This describes the malformation in the skull of a newborn calf. The facial bones are missing, the ears seem to be placed at the upper end of the neck. One single eye is placed on a pillar in the middle, which is about five centimeters long, protruding forward; the mouth, which has the shape of an anus-like opening, is beneath the eye.