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New out of the Atlantic Veterinary College (AVC) at the 精童欲女 suggests a high prevalence of canine leptospirosis regionally within Canada.

The study analyzed data from 10,437 canine Leptospira PCR tests submitted by Canada-based veterinarians over a 10-year period. Provinces with the highest test-positive percentages over the study period were Nova Scotia (19 per cent) and Ontario (10 per cent), with Manitoba and Alberta having the lowest proportion at 1 per cent.

鈥淭he goal of our research was to identify if there were significant factors that may put a dog at greater risk for developing canine leptospirosis,鈥� explains Dr. Jason Stull, assistant professor, Department of Health Management, AVC. 鈥淲e looked at the dogs鈥� age, sex, and breed, as well as the month and the year the test was performed, and the location鈥攚hether it was from an urban or rural practice.鈥�

Through their analysis, they discovered that dogs had higher chances of testing positive if they were

• young (dogs less than one-year-old had the greatest risk);
• male;
• specific breeds (toy breeds had the greatest risk);
• from an urban area.

Risks for dogs testing positive appeared to be greatest from September to December; however, this varied by region in the country.

Leptospirosis is usually transmitted through an infected animal鈥檚 urine or through items contaminated with an infected animal鈥檚 urine (e.g., bedding, blankets, soil, etc.). It can also be transmitted through urine-contaminated water, such as stagnant or slow-moving water (e.g., puddles or ponds), that are frequented by wildlife.

Canine leptospirosis is caused by infection with the bacteria Leptospira interrogans. Often referred to as 鈥渓epto,鈥� the illness presents in dogs with signs ranging from subtle (e.g., lethargic, occasional vomiting, or feeling tired) to very severe and life-threatening. Although more than 25 per cent of canine leptospirosis cases are fatal, the disease can be treated with positive outcomes.

鈥淎 quick diagnosis and beginning the correct antibiotics quickly are the best treatment for dogs with leptospirosis,鈥� says Dr. Stull. 鈥淰eterinarians will also advise care for kidney or liver disease, and most dogs will require hospitalization, intravenous fluids, anti-nausea medications, and careful monitoring. Some dogs may require further care depending on the severity of their diagnosis.鈥�

It is also advised to take preventative measures when possible. Dr. Stull suggests that owners know their dog鈥檚 risk factors and encourages them to speak with their veterinarian about a prevention strategy such as vaccination, an important tool in preventing leptospirosis in dogs. Additionally, when possible, owners should minimize their dog鈥檚 exposure to slow moving water and puddles to reduce risk. Finally, as leptospirosis is a zoonotic disease, meaning it can infect humans, they should take precautions to prevent getting leptospirosis, such as washing their hands between handling their dog and eating something with their hands.

鈥淚t鈥檚 important to not only protect your dog but to protect yourself,鈥� says Dr. Stull. 鈥淜now your risks and how to decrease them, and stay educated about leptospirosis in your area.鈥�

This research was in collaboration with researchers from the Atlantic Veterinary College, the University of Guelph, and IDEXX Laboratories.