Many hormones influence canine aggression, according to a new study by researchers at the University of Arizona titled, “Endogenous Oxytocin, Vasopressin, and Aggression in Domestic Dogs”. Karen London, PhD, discusses study findings and future treatment potential.
Source: The Bark, September 30, 2017.
The study findings are no surprise given that the hormones testosterone and serotonin have a huge influence on aggressive behavior. However, this study provides evidence that high vasopressin levels are associated with aggression, and that high levels of oxytocin are associated with the absence of aggression in dogs.
INSIGHTS: Note the information on a subset of the study animals who were assistance dogs. They are from a population that has been bred for more than 40 years for traits such as friendliness, calm temperaments and a lack of aggressive behavior.