Congenital, Inherited Bilateral Amastia in a Quarter Horse Mare

Patrick M McCue; Christian Bisiau; Christina Divine; Emily May

doi:10.1016/j.jevs.2023.104874

Congenital, Inherited Bilateral Amastia in a Quarter Horse Mare

J Equine Vet Sci. 2023 Sep:128:104874. doi: 10.1016/j.jevs.2023.104874. Epub 2023 Jul 6.

Authors

Patrick M McCue¹, Christian Bisiau², Christina Divine², Emily May²

Affiliations

¹ Department of Clinical Sciences, Colorado State University, Fort Collins, CO. Electronic address: pmccue@colostate.edu.
² Department of Clinical Sciences, Colorado State University, Fort Collins, CO.

PMID: 37419397
DOI: 10.1016/j.jevs.2023.104874

Abstract

Congential amastia, a medical condition in which mammary tissue fails to develop, was detected in a 3-year-old Quarter Horse mare. The dam of the mare was also afflicted with amastia, suggesting that the condition was due to an inherited genetic mutation as noted in other species. In addition, on presentation the mare had a purulent vaginal discharge secondary to a pyometra.

Keywords: Amastia; Congenital; Inherited; Mammary gland; Mare.

Publication types

Case Reports

MeSH terms

Animals
Breast Diseases* / veterinary
Female
Horse Diseases* / diagnosis
Horse Diseases* / genetics
Horses / genetics

Supplementary concepts

Amastia