About 6,000 years ago, an unfortunate dog suffered from a relatively rare form of cancer. Since then, unlike any other cancer, its cancer cells were swiftly transmitted from one dog to another. Today, this age-old ailment has a name—Canine Transmissible Venereal Tumour or CTVT. In a recent study, they traced the history of CTVT to Asia, and in the process, helped understand the evolution of cancer in the long term.
Despite successful bans on the veterinary drug diclofenac in Nepal and parts of India, a decade-long undercover investigation reveals that toxic alternatives like flunixin and nimesulide are rapidly replacing it, posing a renewed existential threat to the region’s critically endangered vulture populations.
