Project to track rising threat of Lyme disease

Project to track rising threat of Lyme disease
Dogs can be bitten by infected ticks while being taken for walks through wooded areas or parkland in both urban and rural areas

Vets across the UK are set to take part in the Big Tick Project, the largest nationwide collection of ticks from dogs in a bid to help scientists, led by Professor Richard Wall at the University of Bristol, track what is feared to be a growing threat to people and their dogs from tick-borne zoonotic diseases such as Lyme disease (Borrelia).

In the UK, Public Health England estimates the number of new cases each year at around 3,000 while Lyme disease charities say the figure could even be as high as 15,000 annually. However, the majority of people are unaware that this potentially debilitating condition also affects our pet dogs.

The Big Tick Project is being launched and supported by TV presenter, naturalist and dog lover Chris Packham, and aims to raise awareness of the risks and symptoms associated with , and to educate owners about how they can reduce their dog's exposure to and the diseases they carry.

Lyme disease is caused by a bite from an infected tick. Dogs can be bitten while being taken for walks through wooded areas or parkland in both urban and rural areas. Signs including lameness, lethargy and fever can be seen and, left untreated, these can lead to more serious conditions such as kidney disease and heart failure. Many cases of tick infestation are likely to go unnoticed by owners as they are only detected by a thorough examination.

Research released today to coincide with the launch finds an alarming lack of awareness amongst about ticks and Lyme disease: 47 per cent of dog owners surveyed don't know that ticks can transmit diseases to both dogs and humans, whilst over half (54 per cent) of dog owners don't know that Lyme disease affects both dogs and humans.

Throughout spring and early summer when ticks are most active, vets taking part in the Big Tick Project will be giving dogs visiting their practice a tick check. The ticks collected by vet practices will be sent for testing to the team of scientists at the University of Bristol leading the Big Tick Project.

Professor Richard Wall and colleagues in Bristol's School of Biological Sciences will be examining the ticks for the presence of Lyme Disease and other tick-borne diseases which it is feared may be emerging in the UK. Owners whose dogs have taken part in the project at participating vets will receive a Big Tick Project certificate and have helped advance the knowledge surround tick-borne disease in the UK.

Professor Wall said: "Current evidence suggests that many tick-borne diseases in northern Europe are increasing in prevalence as a result of factors linked to habitat modification, changes in host abundance, changes in vector distributions, increasing pet travel and climate change. Warmer and wetter winters and milder wetter summers, in particular, may allow the normal highly seasonal pattern of tick activity to be extended, giving more continuous periods of exposure. In Great Britain the distribution of ticks is estimated to have expanded in the last ten years by 17 per cent and the abundance of ticks to have increased at 73 per cent of locations surveyed."

To reduce the risk associated with ticks in dogs, veterinary surgeons have innovative and convenient treatments that are only available on prescription. The options available to protect against exposure to ticks include spot-ons (typically applied every four weeks), sprays, collars and oral chewable formulations which can give up to 12 weeks protection. For best advice on how to remove a tick correctly from your pet please speak to your vet.


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Citation: Project to track rising threat of Lyme disease (2015, April 27) retrieved 19 June 2019 from https://medicalxpress.com/news/2015-04-track-threat-lyme-disease.html
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