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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.
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Data summary selector:
- Data by Traits
- Experiments by Traits
- Data by Trait Variants
- Experiments by Trait Variants
- Data by Trait Types
- Data by Trait Classes
- Genome assemblies supported
- Data by Chromosomes
- Data by Marker Types
- Data by Publishing Journals
- Data by Years Published
- Data Sources by Years Published
- Data in Curation Pipeline
- Types of structural genome information aligned against the QTL/association maps
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Traits with the most curated data
Traits
| Number of QTL
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| Milk fat percentage | 11,909 |
| Age at puberty | 10,641 |
| Scrotal circumference | 10,477 |
| Milk protein percentage | 9,798 |
| Milk fat yield | 9,518 |
| Milk yield | 8,035 |
| Milk C14 index | 4,848 |
| Milk kappa-casein percentage | 4,832 |
| Calving ease | 4,776 |
| Somatic cell score | 4,659 |
| Metabolic body weight | 4,275 |
| Tenderness score | 4,031 |
| Milk protein yield | 3,997 |
| Connective tissue amount | 3,691 |
| Clinical mastitis | 3,626 |
| Percentage normal sperm | 3,602 |
| Shear force | 3,561 |
| Body weight | 3,478 |
| Average daily gain | 3,409 |
| . . . | . . . |
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NOTE: On this site, the term "QTL" may have collectively included quantitative loci,
SNP associations, and eQTL data.
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of trait names by their frequency in QTL/association reports