Bayer Animal Health, maker of Advocate, says that since February, veterinary surgeons have reported more than 80 cases of canine lungworm infection in the UK, of which six have died.
The fatal cases were reported in Salisbury, Crawley, Ipswitch and Essex.
Of the 84 cases reported, 43 practices said it wasn't their first. With no requirement for compulsory reporting, Bayer says it is likely that other cases have gone undocumented.
Although the majority of cases reported to Bayer were found in the South of the UK, others were reported as far north as Paisley in Scotland. This, says the company, adds to the increasing base of evidence that lungworm is endemic throughout much of the UK and continues to pose a significant threat to dogs.
Recent research by Bayer found that 37% of veterinary surgeons thought cases of lungworm had increased in their area over the last five years.2
The company also points towards a study from the University of Bristol which examined the fox population and found further evidence of the parasite's spread across the UK.3 The research suggests that the overall prevalence of A.vasorum in foxes is 18.3% in the UK, significantly higher than a previous study published in 2008, which reported a prevalence of 7.3%.3
The South East is reported to have the highest prevalence, with 50% of foxes now found to be infected (more than double the previous figure). In the North of England and Scotland, 7.4% of foxes were found to be infected despite none being found in this region in the earlier study.
Dogs which have picked up a lungworm infection can show a number of different symptoms including breathing difficulties, a lack of energy, coughing and persistent bleeding. However, the clinical signs can be varied and some dogs may appear healthy in the early stages of infection.
Gavin McAulay, a cardiorespiratory specialist at New Priory Veterinary Hospital in Brighton said: "With often confusing symptoms, the clinical judgement of vets is key in ensuring an animal is diagnosed and treated against lungworm as soon as possible. In many scenarios lungworm should be a consideration to be assessed in the background whilst investigating other conditions, however monthly prevention is key. There is evidence with other parasite diseases that suggests the more animals you treat, the better protected other animals in the area are."
Bayer’s 'Act Against Lungworm' campaign is urging veterinary surgeons to encourage monthly lungworm preventative treatment. Prevention which stops larval shedding will also help limit the geographical spread of the disease.
Donna Tomlinson, Senior Product Manager for Advocate said: “With the continued spread of lungworm in the UK, it is important to ensure that our 2017 ‘Act Against Lungworm’ campaign resonates with local communities. We have the case studies to show that lungworm has been reported across the UK, but we rely on the support of vets to help get the message out.
"This year we are putting local vets at the center of our communications, with dedicated campaigns planned in every region. This is a great opportunity for practices to get involved in a local media campaign, talk about their first-hand experiences with the parasite and encourage pet owners to visit them for advice on preventative treatment.”
Veterinary surgeons can report cases to their local Bayer Territory Manager or practices can log their own incidences directly by emailing lungworm@bayer.com.
'Act Against Lungworm' veterinary campaign materials are available for practices to display in waiting rooms, as well as leaflets to assist practitioners in communicating to dog owners the importance of protecting their pet against lungworm. These can be ordered at the Bayer Vet Centre (www.vetcentre.bayer.co.uk).
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