Release 59
(Apr 20, 2026)

Cattle QTLdb data summary
As of Apr 20, 2026, there have been 212,372 QTL / eQTL / associations released for public access on the Cattle QTLdb. These data were curated from 1,231 publications and represent 572 base traits, 471 trait variants, and 346 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 types with the most curated data

Trait types
Number of QTL
Milk composition - fat47,093
Fertility33,759
Milk composition - protein25,756
Growth15,291
General reproduction parameters11,776
Sensory characteristics11,409
Milk production & yield9,436
Mastitis8,424
Disease7,917
Anatomy4,948
Conformation4,430
Limb traits4,022
Udder traits3,995
Semen quality3,835
Fatness3,395
. . . . . .
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