Abstract
Aggressive behavior displays a high heritability in
our study group ofGolden Retriever dogs.Alterations in brain
serotonin metabolism have been described in aggressive dogs
before. Here, we evaluate whether four genes of the canine serotonergic system, coding for the serotonin receptors 1A,
1B, and 2A, and the serotonin transporter, could play a major
role in aggression
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