A new study from the UK has found that male dogs are four to five times more likely than female dogs to be infected with the oro-nasal form of Canine Transmissible Venereal Tumour.
Go to full article: https://www.vetpracticemag.com.au/male-dogs-four-times-more-likely-to-develop-contagious-cancer-on-nose-or-mouth-than-females/