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CTVT Oronasal Tumours

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Read more about the research here: https://www.cam.ac.uk/research/news/male-dogs-four-times-more-likely-to-develop-contagious-cancer-on-nose-or-mouth-than-females

Animation Credit: Emma Werner

Canine Transmissible Venereal Tumour (CTVT) is an unusual cancer – it is infectious and can spread between dogs when they come into contact. The living cancer cells physically ‘transplant’ themselves from one animal to the other.

A new study has found that male dogs are four times more likely to develop this contagious cancer on their nose or mouth than female dogs.

Researchers think this is because of behaviour differences between the sexes: male dogs spend more time sniffing and licking female dogs’ genitalia than vice versa.

CTVT isn’t common in the UK, although case numbers have risen in the past decade. This is thought to be linked to the import of dogs from abroad. The disease occurs worldwide but is mostly linked to countries with free-roaming dog populations.
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Academic
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