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Related Experiment Video

Updated: Jun 3, 2026

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

Interdog household aggression: 38 cases (2006-2007).

Kathryn M Wrubel¹, Alice A Moon-Fanelli, Louise S Maranda

¹Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA 01581, USA.

Journal of the American Veterinary Medical Association

|March 16, 2011

Summary

This summary is machine-generated.

Interdog household aggression in dogs is often seen in same-sex pairs and can be triggered by resources. Effective treatments include structured programs and medication, leading to significant owner-reported improvement.

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Area of Science:

Veterinary Behavior Science
Animal Behavior Studies
Canine Aggression Research

Background:

Interdog household aggression is a common behavioral issue in multi-dog households.
Understanding the factors contributing to and effective treatments for this aggression is crucial for animal welfare.

Purpose of the Study:

To analyze factors associated with interdog household aggression.
To determine the outcomes of various treatment strategies for interdog aggression.

Main Methods:

Retrospective case series and survey of 38 pairs of dogs exhibiting interdog household aggression.
Analysis of clinical features, treatment efficacy, and owner compliance through veterinary records and follow-up surveys.

Main Results:

Most aggression cases (79%) involved same-sex pairs, with females overrepresented (68%).
Common triggers included owner attention, food, and excitement; risk factors included multiple previous households and shelter adoption.
Effective treatments included 'nothing-in-life-is-free' programs, resource guarding management, and psychotropic medication, resulting in a 69% owner-reported improvement.

Conclusions:

Most treatment strategies for interdog household aggression are effective.
Consistency and predictability in social interactions are key to resolving canine aggression issues within a household.