Sheep QTLdb data summary

As of Dec 29, 2025, there have been 8,587 QTL / eQTL / associations released for public access on the Sheep QTLdb. These data were curated from 298 publications and represent 185 base traits, 283 trait variants, and 0 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

QTL/associations by Chromosomes

Chromosomes	Number of QTL
1	494
2	1,371
3	531
4	230
5	259
6	550
7	252
8	241
9	176
10	221
11	211
12	211
13	240
14	1,547
15	222
16	207
17	190
18	120
19	193
20	377
21	109
22	76
23	92
24	104
25	140
26	83
X	140

NOTE: On this site, the term "QTL" may have collectively included quantitative loci, SNP associations, and eQTL data.