Foundations of Animal Behavior
Animal behavior arises from three major influences:
- Genetics – inherited traits that shape behavioral tendencies.
- Environment – the conditions in which the animal lives.
- Experience – especially early-life experiences before and after birth, which shape social development.
Together, these factors determine how an animal behaves throughout its life.
Ethology and Behavioral Medicine
- Ethology is the scientific study of how animals behave in their natural environments.
- In veterinary behavioral medicine, ethology is applied to understand:
- Normal vs. abnormal behaviors
- Welfare considerations for pets, farm animals, zoo animals, and laboratory animals
This helps veterinarians diagnose and treat behavioral issues that arise in human-controlled environments.
The Five Freedoms of Animal Welfare
Developed in 1965, these freedoms outline the minimum welfare standards for all animals:
- Freedom from hunger and thirst
- Freedom from discomfort
- Freedom from pain, injury, or disease
- Freedom from fear and distress
- Freedom to express normal species-specific behaviors
When any of these freedoms are unmet, both physical health and behavior can deteriorate.
Behavioral Problems in Companion Animals
- Behavior issues can damage the bond between pets and owners.
- They are a leading cause of pet surrender and euthanasia.
- Many owners do not report behavior changes.
- Many veterinarians do not ask about behavior during routine visits.
Because of this gap, veterinarians are encouraged to screen for behavioral changes at every visit to support the animal’s overall health and welfare.
Veterinary visits should always include behavior screening questions to identify any new or ongoing behavioral changes. This routine screening:
• Helps assess the animal’s overall health and welfare
• Signals to clients that behavior is an essential part of veterinary care
• Creates a baseline for comparison across visits
Using a standardized behavior questionnaire ensures consistency, prevents gaps in information, and allows early detection of emerging issues—especially when implemented from the pet’s first visit.
Early intervention is emphasized as the most effective way to prevent minor behavior concerns from becoming serious problems. When abnormal behaviors are observed (e.g., growling, barking, house soiling), veterinarians must determine:
• Whether a medical condition is contributing
• Whether the behavior is normal or abnormal in context
• Whether it is manageable for the household
Based on this assessment, veterinarians can provide guidance or refer clients to a veterinary behavior specialist.
Behavior services work best when delivered through an integrated team approach:
• Staff can assist with screening, pet selection counseling, and preventive education
• Trained staff or technicians can teach owners about behavior management, run training classes, and provide reliable educational resources
• Veterinary behavioral technicians can take histories, demonstrate behavior modification, and support follow-up care
This also highlights the importance of ethical humane training methods. Veterinarians should be aware of how trainers work, ensuring they use modern, reward-based techniques. Referring clients to trainers who use outdated or punitive methods is considered unacceptable due to the risk of long-term harm. Active discussions with pet owners about training help them understand how behavior is learned and how to choose appropriate trainers.