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Dopamine Receptor D4

DRD4

DRD4 gene marker

Biological function

Dopamine receptor D4 participates in neural signalling and is a candidate gene for racing performance in pigeons.

Breeding value

A candidate locus for racing performance, supporting breeding and training reference alongside other loci and race records.

Scientific association

A pigeon-specific study (Proskura 2015, Animal Genetics) reported a statistical association between DRD4 polymorphism and racing performance. Exploratory association — read together with multiple genes and environment.

⚠️ Scientific boundaries

A gene test returns probabilistic information about a genetic tendency, not a performance forecast. A pigeon's actual results are shaped by many factors acting together — genetics, training, nutrition, health and environment. The effect of any single locus is limited, so read it alongside other performance loci, race records and pedigree.

📚 Further reading: DRD4 gene encyclopaedia

The genetics knowledge base carries the full entry for Dopamine Receptor D4 (DRD4) — plain-language explanation, genetic variation and markers, current research evidence, breeding considerations and common questions.

Read the DRD4 entry in the genetics knowledge base

Other gene markers