Release 59
(Apr 20, 2026)

Browse the Chicken QTLdb by traits

by QTLdb Trait Classes


by Vertebrate Traits


There are 307 "Vertebrate Trait" terms annotated with chicken QTL/associations.
    OR

  • Body mass
  • Postnatal growth trait..
  • Subcutaneous adipose thick..
  • Response to parasitic infe..
  • . . .

by Livestock Product Traits


There are 234 "Livestock Product Trait" terms annotated with chicken QTL/associations.
    OR

  • Meat fatty acid content..
  • Meat pH
  • Milk fatty acid content..
  • Dressed carcass compositio..
  • . . .

by Clinical Measurements


There are 172 "Clinical Measurement" terms annotated with chicken QTL/associations.
    OR

  • Disease process measuremen..
  • Body weight
  • Average daily body weight ..
  • Body weight gain
  • . . .

Chicken QTLdb at a Glimpse
— Top data counts by traits

TraitsQTL/association Found
Body weight10,267
Shank circumference2,822
Shank length1,757
Feather pecking1,134
Egg number844
Feed conversion ratio805
Eggshell effective layer thickness784
Eggshell thickness746
Feathered feet691
Average daily gain454
Egg weight416
Body weight gain413
Feed intake409
Keel length408
Feathering371
Body depth351
Earlobe color328
Comb length280
Comb weight278
Feather pigmentation251
Skin color223
Number of egg-laying days202
Comb height201
Chest width187
. . . . . .

 

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