Domestic dog attacks on livestock referred to a Veterinary Teaching Hospital.
Authors: Gonzaga Mariana da Costa, Borges José Renato Junqueira, Alves Teresa Souza, de Sousa Davi Emanuel Ribeiro, de Castro Márcio Botelho, Câmara Antonio Carlos Lopes
Journal: Frontiers in veterinary science
Summary
# Editorial Summary: Dog Attacks on Livestock — Clinical Outcomes and Epidemiology Over an 11-year period at a Brazilian veterinary teaching hospital, researchers retrospectively analysed 50 livestock cases presenting with dog-bite injuries: predominantly sheep (31 animals) but also horses (11), cattle (3), goats (3), and pigs (2). Using a four-grade severity classification adapted from paediatric bite wound protocols, the team documented injury patterns across anatomical regions (head/neck, thoracic/pelvic limbs, abdomen/flank, and rump/tail) and found that 46% of cases involved Grade 3 or 4 injuries—the most serious categories indicating deep tissue damage and substantial trauma. Clinical outcomes were significant: whilst 70% of animals were discharged following treatment, 18% died from their injuries and a further 12% required humane euthanasia, highlighting the substantial morbidity and mortality associated with canine attacks on farm animals. These findings underscore an often-underestimated economic burden extending beyond direct treatment costs to include production losses and animal welfare considerations, particularly relevant for practitioners working in rural settings where loose dogs present a recurrent biosecurity challenge. Understanding the typical injury patterns and severity distribution reported here may assist veterinarians in triage decisions, treatment planning, and advising producers on prevention strategies and insurance implications.
Read the full abstract on PubMed
Practical Takeaways
- •Dog attacks represent a significant clinical presentation in livestock referrals; establish clear protocols for wound assessment and infection control in bite injuries
- •Nearly half of cases involved severe injuries (Grade 3-4); rapid stabilisation and surgical intervention may be critical to survival outcomes
- •Survival rate of 70% suggests that aggressive early treatment is worthwhile; pastoral management should include predator control measures to reduce economic losses from attacks
Key Findings
- •50 livestock animals (31 sheep, 11 horses, 3 cattle, 3 goats, 2 pigs) were treated for dog attacks over 11 years
- •46% of dog attacks resulted in Grade 3 or Grade 4 severity injuries, with head/neck and thoracic/pelvic limbs as common injury sites
- •70% of attacked animals were successfully discharged, while 18% died and 12% were humanely euthanized