Online Mendelian Inheritance in Animals

OMIA catalogs inherited disorders in animals and provides tools to browse, search, and review related veterinary genetics resources.

omia.org/home
Online Mendelian Inheritance in Animals homepage screenshot

About Online Mendelian Inheritance in Animals

OMIA (Online Mendelian Inheritance in Animals) is a catalogue of inherited disorders, other single-locus traits, and associated genes and variants across 795 mostly vertebrate animal species. It is maintained by the Sydney School of Veterinary Science at the University of Sydney. Entries are stored in a database with textual information, references, and links to external records such as PubMed, NCBI Gene, OMIM, Ensembl, Mondo Disease Ontology, and the Vertebrate Breed Ontology. The homepage includes a summary table of trait counts for key domesticated species, such as dog, taurine cattle, cat, and horse.

OMIA excludes human, mouse, rat, zebrafish, and western clawed frog, which have their own resources. The homepage describes OMIA as a free internet resource for over 30 years, with much of its curation done by volunteers, and asks visitors to consider donating to help cover maintenance, upgrades, and curation time. To report a suspected or confirmed inherited disease in Australian animals for surveillance, the homepage directs users to a separate resource, the Anstee Hub for Inherited Diseases in Animals (AHIDA).

Key features

  • Catalogue of inherited disorders and single-locus traits across 795 animal species
  • Summary table of trait counts for key domesticated species
  • Links to PubMed, NCBI Gene, OMIM, Ensembl, Mondo, and VBO records
  • Database entries include textual information and references
  • Entries are manually curated by a team of specialists
  • Users can contact the team to report errors or submit entries
Best for: Veterinary genetics researchers, students, and practitioners who need information on inherited disorders in non-human animal species.
Good for
  • Entries are manually curated by specialists
  • Links to several established external genetics and ontology resources
  • Has operated as a free internet resource for over 30 years
Watch out for
  • Excludes human, mouse, rat, zebrafish, and western clawed frog
  • Maintenance and curation are supported partly by donations

Online Mendelian Inheritance in Animals at a glance

Official website
omia.org/home
Type
Institution
Platforms
Web
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Online Mendelian Inheritance in Animals FAQ

Which species are excluded from OMIA?
Human, mouse, rat, zebrafish, and western clawed frog are excluded because they have their own resources.
How can I report an error or submit an entry?
The homepage says to contact the OMIA team to report an error or submit an entry.
Where should I report a suspected inherited disease in Australian animals?
The homepage directs users to the Anstee Hub for Inherited Diseases in Animals (AHIDA) for surveillance reporting.
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