Canine hookworms are becoming increasingly resistant to common deworming treatments across Australia, according to recent research from The University of Queensland (UQ) and The University of Sydney.
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This is particularly concerning for dog owners in Tarragindi, one of Brisbane’s most dog-loving suburbs, where 1,355 dogs were registered as of March 2024.
The study, led by Dr Swaid Abdullah from UQ’s School of Veterinary Science, found that nearly 70 percent of hookworm samples studied showed genetic mutations linked to drug resistance.
This issue threatens both pet and public health, as hookworm infections can cause severe gastrointestinal problems in dogs, such as anemia, diarrhea, and malnutrition. Worse still, the parasites can spread to humans, leading to a skin condition known as cutaneous larva migrans (CLM), which causes a painful, winding rash.
For years, benzimidazole-based dewormers have been the go-to treatment for these infections. However, the research highlights the growing ineffectiveness of these drugs, signaling the need for more targeted parasite management. Professor Jan Šlapeta from The University of Sydney emphasizes that responsible, risk-based treatment should replace blanket deworming practices.
Pet owners are urged to take note of the risks posed by canine hookworms, as continued reliance on standard dewormers may soon be insufficient. Experts stress that both veterinarians and pet owners must work together to monitor and manage the spread of resistance, with ongoing research and new control strategies being crucial in safeguarding the health of both animals and humans.
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As the era of effortless parasite control comes to an end, it’s a wake-up call for pet owners throughout the region. It’s important to consult with local veterinarians to ensure the health of our pets and reduce the risk of parasitic transmission.
This research, published in the International Journal of Parasitology, underscores the urgency of adapting to new methods of managing parasitic infections as drug resistance continues to spread.
Published 7-January-2025