Global snapshot of infectious canine cancer shows how to control disease

While countries with dog policies have curbed an infectious and gruesome , the is continuing to lurk in the majority of dog populations around the world, particularly in areas with many . This is according to research published in the open access journal .

The survey of veterinarians across the world confirmed that Canine Transmissible Venereal Tumor () has a global reach. Researchers from the found that the countries and areas with the lowest rates of the disease also had strong dog control policies. These include managing the number of street dogs; spay and neuter practices; and quarantine procedures for imported dogs.

first originated as a tumor in a single dog that lived thousands of years ago, and by becoming transmissible, this cancer has become the oldest, most widespread and prolific cancer known in nature. It causes tumors of the genitals, and is spread by the transfer of living cancer cells between dogs during sex. The tumor cells multiply and can be sloughed off and transferred to another dog during mating. CTVT is one of only two known transmissible cancers — the other has decimated the wild Tasmanian devil population.

Until now, no systematic global survey of the disease had been performed. To understand the global distribution and prevalence of the disease, the scientists sent a questionnaire to 645 veterinarians and animal health workers around the world. The replies showed that is endemic in dogs in at least 90 of 109 countries surveyed.

The researchers found that the only cases of reported in countries in Northern Europe, where free-roaming dogs are absent, were found in dogs that had been imported from abroad. There were no reports of CTVT in New Zealand, a country with strict dog quarantine policies. On the other hand, the disease was more likely to be present in countries or areas with free-roaming dog populations.

Andrea Strakova, University of Cambridge, said: “Although can usually be effectively treated, lack of awareness of the disease and poor access to veterinary care mean it can go untreated and impact the welfare of dogs. Research and monitoring of this disease may lead to improved methods for disease prevention, detection and treatment.”

Dr Elizabeth Murchison, University of Cambridge, said: “Our study has suggested that free-roaming dogs are a reservoir for CTVT. Our review of the historical literature indicated that was eradicated in the UK during the twentieth century, probably as an unintentional result of the introduction of dog control policies. Careful management of free-roaming dog populations, as well as inclusion of CTVT in dog import/export quarantine policies, may help to control CTVT spread.”

The research also highlighted the importance of dog sterilisation programs in controlling spread. However, dog spaying and neutering may not always be protective against CTVT, possibly because the disease can also be spread by

… Continue reading here.
Dogs News — Sciencedaily

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Comments

    • oshrit vaknin
    • September 5, 2014

    0:13

    • Kalisi TheDoggie
    • September 5, 2014

    Haha, dogs are so cute, when they are guilty :)

    • kingaj1970
    • September 5, 2014

    Tak sie zachowuja pieski kiedy sa winne :)

    • Simba Nala
    • September 5, 2014

    Cute to

    • jose murillo
    • September 5, 2014

    Awwww those are so cute!

    • Anaiya The Simmer
    • September 5, 2014

    Lol my stomach hurts from laughing so hard! 😀 😀 :D

    • Nae StyPayOran
    • September 5, 2014

    This is fnuuy

    • Laurie Corbi
    • September 5, 2014

    Dogs. They eat some things that are important to you, but they’re so darn
    adorable that a few minutes later you forgive them. I LOVE DOGS!!!!!

    • Sketchi
    • September 5, 2014

    9 people got hungry when they were gone.

    • lluviasmiley
    • September 5, 2014

    Poor dogs those people were being too hard on them i would have just said
    bad doggie and then i would have cleaned up the mess.

    • Brooke Daigle
    • September 5, 2014

    Funniest thing I have ever seen!!!!!

    • Mariam Kelani
    • September 5, 2014

    man this is messed up u do’t have to record it I know its displince but
    really chill 

    • william wallington
    • September 5, 2014

    The first one was too funny

    • andrehma
    • September 5, 2014

    Hahaha they know they did some wrong shit.

    • Jayla Mosby
    • September 5, 2014

    First c”:

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