Release 58
(Dec 29, 2025)

Cattle QTLdb data summary

As of Dec 29, 2025, there have been 207,081 QTL / eQTL / associations released for public access on the Cattle QTLdb. These data were curated from 1,225 publications and represent 560 base traits, 450 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 variants with the most curated data

Trait variants
Number of QTL
Birth weight208,680
305-day milk yield134,317
Weaning weight121,730
Yearling weight86,950
Daily milk yield79,010
Body weight at 6 months52,170
Body weight at 24 months52,170
305-day milk yield, lactation 239,505
Body weight at 12 months38,258
Body weight at 18 months38,258
Milk fat percentage (lactation 2)35,727
Milk fat percentage in second lactation35,727
Slaughter weight34,780
305-day milk yield, lactation 131,604
Milk protein percentage in second lactation29,394
Milk protein percentage (lactation 2)29,394
Milk protein percentage in first lactation29,394
Milk fat yield in first lactation28,161
Milk fat yield (lactation 1)28,161
. . . . . .

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