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New cases of canine thelaziosis confirmed
'More can and should be done to prevent this zoonotic pathogen from becoming endemic in the UK.’ (stock photo)
Parasite ‘could become established in the UK’

Two new cases of canine ocular thelaziosis have been confirmed in the UK, prompting researchers to warn that the parasite could become established here.

The cases also highlight a gap in preventative treatments covered by the Pet Travel Scheme (PETS), and vets are being encouraged to discuss treatment options with pet owners travelling to countries where Thelazia callipaeda is endemic.

Adult T. callipaeda are found in the eyes and associated tissues. The UK’s first known case was reported last year in a dog that had recently been imported from Romania. Since then two further cases have been confirmed, one in a dog that had returned from travel in northern Italy, and the other in a dog that had spent a month in France.

All three dogs were compliant with the requirements of PETS, including microchipping, rabies vaccination and a tapeworm treatment administered by a veterinary surgeon. Dog three had also been treated with its routine wormer and shop-bought flea treatment after re-entry into the UK.

Researchers wrote in Vet Record: ‘These three cases demonstrate the risk of introducing T. callipaeda to the UK through dogs being imported from and travelling to geographical locations where T. callipaeda is known to be endemic.

‘Furthermore, since T. callipaeda is zoonotic and capable of infecting several other mammalian species, both people and cats should also be considered at risk of infection when travelling to such areas.’

Gravid females were found in cases one and two, which, added to the presence of a vector in the UK, ‘highlights the potential for the parasite to become established in the UK,’ researchers explained.

Only milbemycin and moxidectin have been registered against ocular thelaziosis to date, which highlights a ‘notable gap’ in preventative treatments included under PETS.

‘…we would encourage veterinarians to discuss the relevant treatment options with owners planning on travelling to or returning from such areas with their pets,' the team added.

Vigilance is also advised when examining travelled dogs.

T. callipaeda is becoming increasingly common in Europe, with autochthonous transmission occurring in Italy, France, Switzerland, Germany, Spain, Portugal, Bosnia and Herzegovina, Croatia, Romania, Bulgaria, Hungary and Greece. Further cases have also been reported in Belgium and Serbia.

In some areas, such as Italy’s Basilicata region, the reported prevalence in dogs exceeds 40 per cent. Human cases have also been seen in Spain, Italy, France, Croatia and Serbia.

PETS allows dogs to travel to and from countries in the EU without being quarantined. Owners are required to adhere to a number of requirements to prevent the importation of disease, namely rabies and Echinococcus multilocularis.

Researchers wrote: ‘Given the relatively free and regular movement of dogs into and out of the UK from mainland Europe and importation from rescue charities under this scheme, other pathogens, including T. callipaeda, pose a significant threat to the UK canine population.’

The research team said further investigation is needed to determine the distribution and population density of the vector in the UK, which would help to establish the risk of T. callipaeda becoming endemic in the UK.

They added: ‘Although effective diagnostic tests and treatments are available, more can and should be done to prevent this zoonotic pathogen from becoming endemic in the UK.’

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Vets to run marathon for World Animal Protection

News Story 1
 Two recently graduated veterinary surgeons will be running the London Marathon in April to raise money for the charity World Animal Protection.

Alex Bartlett and Maeve O'Neill plan to run the race together if they are given the same start times.

Dr O'Neill said: "You're always limited in what you can do to help animals, so it is nice to raise money for a charity that helps animals around the world."

Dr Bartlett added: "I have never run a marathon before and am excited to run my first one for such a good cause!"

Both Dr Bartlett and Dr O'Neill have fundraising pages online. 

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News Shorts
BSAVA releases new Guide to Procedures

The British Small Animal Veterinary Association (BSAVA) has published a new edition of its Guide to Procedures for Small Animal Practice.

It has added four new procedures; cystostomy tube placement, endotracheal intubation, point-of-care ultrasound and wet-to-dry dressings.

BSAVA says that it is an essential step-by-step guide to diagnostic and therapeutic procedures performed in practice. The textbook includes new images and illustrations, as well as high-definition videos for use prior to procedures.

Nick Bexfield and Julia Riggs, editors of the new edition, said: "We have built upon the success of the previous editions by responding to the feedback received from the BSAVA readership, and hope this new guide helps to further increase the confidence and accuracy with which these procedures are performed."

Print copies are available in the BSAVA store, with a digital version in the BSAVA library.