Release 59
(Apr 20, 2026)
Chicken QTLdb
data summary
As of
Apr 20, 2026
, there have been
30,465
QTL / eQTL / associations released for public access on the Chicken QTLdb. These data were curated from
423
publications and represent
244
base traits,
283
trait variants, and
40
eQTL genes.
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
of trait names by their frequency in QTL/association reports
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
Traits with the most curated data
Traits
Number of QTL
Body weight
10,267
Shank circumference
2,822
Shank length
1,757
Feather pecking
1,134
Egg number
844
Feed conversion ratio
805
Eggshell effective layer thickness
784
Eggshell thickness
746
Feathered feet
691
Average daily gain
454
Egg weight
416
Body weight gain
413
Feed intake
409
Keel length
408
Feathering
371
Body depth
351
Earlobe color
328
Comb length
280
Comb weight
278
. . .
. . .
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