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Rolan Tripp, DVM. Canine Aggression Diagnosis. Veterinary Staff are at increased risk for injury due to canine aggression. Canine Aggression. Aggression is the most common canine behavior problem referred to veterinary behavior consultants.
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Rolan Tripp, DVM Canine Aggression Diagnosis
Veterinary Staff are at increased risk for injury due to canine aggression.
Canine Aggression • Aggression is the most common canine behavior problem referred to veterinary behavior consultants. • The insurance industry pays an estimated $1 billion per year in dog-bite liability claims through home owner policies. • DVM Newsmagazine Rolan Tripp, DVM
Rolan Tripp, DVM Whittier Daily News 8-5-02
Determine severity of bites • Left a mark? • Punctured skin? • Multiple rapid bites? • Deep bite and thrash? • Going for face or throat? • Number of bites in dog’s lifetime? • Any fatalities? Rolan Tripp, DVM
CDC Data
Comparing the Risk… • “A special kind of horror is reserved for mothers who kill their children. Susan Smith, who drowned her two young sons by driving her car into a lake became a media sensation. Unfortunately, in addition to these high-profile cases, hundreds of mothers kill their children in the United States each year” • From: Amazon.com Editorial Review of • Mothers Who Kill Their Childrenby Cheryl L. Meyer & Michelle Oberman Rolan Tripp, DVM
Definition… “Violence or the threat of violence.” Diagnosis…“Take a history before you take a life.” Aggression Determine… “Context”And Motivational Diagnosis Rolan Tripp, DVM
Agonistic Barrier Frustration Competitive Displaced Dominance Drug Influenced Encephalopathic Epileptic Fear/Defensive Food Guarding Hormonally Influenced Idiopathic Improperly Socialized 25 Sub-Types of Aggression Rolan Tripp, DVM
Irritable/Discomfort Maternal Protective Owner Protective Pack Response Pain Induced Play Escalation Possessive Predatory Senile Territorial Trained Unintentionally Learned 25 Sub-Types of Aggression Rolan Tripp, DVM
“Brutus” • Signalment: 5 yr old, 110 lb Male Intact Mixed Breed(Mix of - Rottweiler, Akita & Char Pei) No training or early socialization experience • Problem list: Hypothyroid; Chronic otitis externa • Presented for: Recheck ears and thyroid levels, adjust Prednisone dose. Restrained by owner w/ pronged pinch collar • Problem: Cannot be handled, barks and threatens anyone entering exam room. Growls at owner’s attempts to calm. • Other: Previous painful experiences; doesn’t like Bob. Ms brings treats in a Ziploc as requested. Rolan Tripp, DVM
Agonistic Barrier Frustration Competitive Displaced Dominance Drug Influenced Encephalopathic Epileptic Fear/Defensive Food Guarding Hormonally Influenced Idiopathic Improperly Socialized What sub-types of aggression does “Brutus” have? Rolan Tripp, DVM
Irritable/Discomfort Maternal Protective Owner Protective Pack Response Pain Induced Play Escalation Possessive Predatory Senile Territorial Trained Unintentionally Learned What sub-types of aggression does “Brutus” have? Rolan Tripp, DVM
Agonistic Barrier Frustration Drug Influenced Dominance Fear/Defensive Food Guarding Hormonally Influenced Improperly Socialized Irritable (Discomfort) Owner Protective Pain Induced Territorial Unintentionally Learned Aggression Dx for Brutus Rolan Tripp, DVM
Impulse Dyscontrol Aggression • Anxiety or Dominance related • Lack of Warning • Unpredictability (O point of view) • Lack of Inhibition = serious attack • May be called, “Rage Syndrome.” Rolan Tripp, DVM
Aggression in the Hospital • Defends the exam room • Defending owner • Fearful in exam room • Owner can’t apply a muzzle • Barking in the reception area • Male Urine Marking • Backed into kennel. Rolan Tripp, DVM
Preventing Aggression Raising a gentle adult dog begins with socialization and gentle handling as a puppy. Rolan Tripp, DVM
Summary Diagnosing aggression depends on a careful history, and analysis of the context of the conflict. Rolan Tripp, DVM
Additional Resources www.AnimalBehavior.Net Animal Behavior Network Membership “Pet Perception Management” ManualRolan Tripp, DVM RTripp@AnimalBehavior.Net Ph (800) 372-3706 Rolan Tripp, DVM