As of Aug 26, 2025, there have been 29,328 QTL / eQTL / associations
released for public access on the Chicken QTLdb. These data were curated from
420 publications and represent 243 base traits,
270 trait variants, and 40 eQTL genes.
* Note that the new data curation into the database is an ongoing process. Lower number of current/recent years data counts may simply be a reflection of time lag depending on our curator resources and work-loads.
NOTE: On this site, the term "QTL" may have collectively included quantitative loci,
SNP associations, and eQTL data.