Dog-on-Dog Aggression in Multi-Dog Homes
Overview
This condition occurs when dogs in the same household develop aggressive interactions ranging from tension to physical fights.
Symptoms
- Resource-based fighting (food, toys, owner attention)
- Blocking access to rooms or spaces
- Stiff posturing or staring contests
- Sudden escalations into fights
- One dog consistently avoids the other
Causes
- Poor initial introductions
- Social hierarchy instability
- Competition for resources or attention
- Incompatible temperaments
Treatment / Training Plan
- Immediate separation during high-risk situations
- Structured reintroduction protocol on neutral territory
- Individual feeding and resource allocation
- Reinforce calm coexistence behavior
- Professional behaviorist involvement for severe cases
When to Seek Help
- Repeated physical fights
- Injury requiring veterinary care
Prevention
- Controlled, gradual introductions
- Equal resource distribution
References
- AVSAB Guidelines
- Merck Veterinary Manual