# Vertebrate Trait Ontology (VT)

> The Vertebrate Trait Ontology is a controlled vocabulary for the description of traits...

- Page: https://library.schematica.io/model/daa8f4ee7e6d4a6f89eae6d56508dda4
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: OBO
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/VT
- Contact: Cari Park (caripark@iastate.edu)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | VT |
| Description | The Vertebrate Trait Ontology is a controlled vocabulary for the description of traits (measurable or observable characteristics) pertaining to the morphology, physiology, or development of vertebrate organisms. |
| Format | OBO |
| Categories |  |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 3,938 |
| Individuals | 0 |
| Properties | 2 |
| Max Depth | 14 |
| Max Child Count | 32 |
| Average Child Count | 3 |
| Classes With One Child | 541 |
| Classes With More Than 25 Children | 4 |
| Classes With No Definition | 2 |

## Projects using VT

- [Animal QTL Database](https://bioportal.bioontology.org/projects/QTLdb)
- [Animal Trait Correlation Database](https://bioportal.bioontology.org/projects/CorrDB)

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Source: https://library.schematica.io/model/daa8f4ee7e6d4a6f89eae6d56508dda4