Table 2.

Phenotype, breed and disease ontologies used in OMIA

Ontology	ID	Description	Reference
Mammalian Phene Ontology	MP	An ontology of pre-coordinated phenotype terms, definitions and synonyms that can be used to describe mammalian phenotypes. It organizes phenotype terms into major biological system headers.	Smith and Eppig 2009
Mondo disease ontology	Mondo	A semi-automatically constructed ontology that merges multiple disease resources to yield a coherent merged ontology.	Vasilevsky et al. 2022
Vertebrate Breed Ontology	VBO	An ontology created to serve as a single computable resource for vertebrate breed names.	Mullen et al. 2024