Release 58
(Dec 29, 2025)

Horse QTLdb data summary
As of Dec 29, 2025, there have been 2,545 QTL / eQTL / associations released for public access on the Horse QTLdb. These data were curated from 131 publications and represent 71 base traits, 21 trait variants, and 0 eQTL genes.
Data summary selector:
  1. Data by Traits
  2. Experiments by Traits
  3. Data by Trait Variants
  4. Experiments by Trait Variants
  5. Data by Trait Types
  6. Data by Trait Classes
  7. Genome assemblies supported
  8. Data by Chromosomes
  9. Data by Marker Types
  10. Data by Publishing Journals
  11. Data by Years Published
  12. Data Sources by Years Published
  13. Data in Curation Pipeline
  14. Types of structural genome information aligned against the QTL/association maps

Trait variants with the most curated data

Trait variants
Number of QTL
Withers height3,570
Height at withers1,190
Height at the withers1,190
Wither height595
Roan coat color54
Lifetime earnings38
Mushroom coat color dilution27
Shade of bay27
Chestnut coat color intensity27
Vitiligo around mouth26
Vitiligo around nostrils26
Vitiligo around eyes26
Earnings per start19
Career earnings19
Insulin dysregulation12
Post-thaw sperm progressive motility10
Preservation of frozen-thawed sperm motility10
Number of hair whorls on left side of neck6
Number of hair whorls on the head6
. . . . . .
NOTE: On this site, the term "QTL" may have collectively included quantitative loci, SNP associations, and eQTL data.

 

© 2003-2026: USA · USDA · NRPSP8 · Program to Accelerate Animal Genomics Applications. Contact: Bioinformatics Team