That is the case in another rare contagious cancer, canine transmissible venereal tumor (CTVT), a sexually transmitted disease in dogs traced to a single animal now dead for millennia. (discovermagazine.com)
In many cases the development of secondary cancers are reported due to the high intensity of the radiation application, like in transmissible venereal tumors. (dog-health-handbook.com)
Daily activities in the shelter included medicating upwards of 50 dogs per day, providing chemotherapeutic drugs for transmissible venereal tumors, implementing infectious disease control protocols to keep animals healthy, and assuring that all dogs were current on vaccines. (sheltermedicine.vetmed.ufl.edu)