Predatory aggression in a German shepherd dog |
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Authors: | Gonzalo A. Chávez Álvaro J. Opazo |
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Affiliation: | 1. School of Veterinary Medicine, Universidad Santo Tomás, Viña del Mar, Chile;2. Salus Veterinary, Barcelona, Spain;1. IFM Biology, AVIAN Behaviour Genomics and Physiology group, Linköping University, Linköping 581 83, Sweden;2. Department of Military Studies, Military-Technology Division, Swedish National Defence College, Stockholm 115 93, Sweden;3. Swedish Armed Forces Dog Instruction Centre, Märsta 195 24, Sweden;1. Clever Dog Lab, Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University of Vienna and University of Vienna, Veterinärplatz 1, 1210 Vienna, Austria;2. Department of Cognitive Biology, University of Vienna, Althanstr. 14, 1090 Vienna, Austria;1. Department of Veterinary Science and Public Health, University of Milan, via Celoria 10, Milan, Italy;2. Comportamento Animale Napoli, Via Camaldolilli, Naples, Italy;1. Department of Ethology and Companion Animal Science, Czech University of Life Sciences Prague, Kamýcká 129, 135 11, Praha 6 - Suchdol, Czech Republic;2. Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Università degli Studi di Parma, Italy;3. Dipartimento di Medicina e Chirurgia Università degli Studi di Parma, Italy;4. Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Sezione di Neuroscienze Università degli Studi di Milano, Italy |
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Abstract: | This article presents a clinical case of predatory aggression that represents a problem for public health. The patient was a 2-year-old male German shepherd referred to the behavior clinic at the School of Veterinary Medicine owing to its aggressive behavior toward people and other dogs. The dog tended to form a pack with the other dogs of the household and killed neighborhood dogs, cats, hens, and rabbits. The presumptive diagnosis was “predatory aggression” associated with “territorial and protective aggression.” The risk analysis determined that the dog should be euthanized. Nevertheless, the owner refused, and hence behavior modification and drug therapy were recommended. A year later, the dog killed again (another dog), indicating that despite the drug and behavioral treatment, it is likely that its predatory aggression will never be resolved. |
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