> The timeline looks scary, it looks like it took about a decade to introduce a regulation that would help protect the vultures
To be fair, the cause was conclusively identified as diclofenac only as late as 2004-2005. Even in papers published as late as 2003, various other, more likely culprits were being investigated, including pesticides, pathogens, or food scarcity. India moved to ban veterinary use of diclofenac by early 2005, slowed down by pushback from the Ministry of Agriculture for lack of an effective alternative vulture safe drug, which were only really demonstrated in studies in early 2006. Later that year diclofenac was banned.
To be fair, the cause was conclusively identified as diclofenac only as late as 2004-2005. Even in papers published as late as 2003, various other, more likely culprits were being investigated, including pesticides, pathogens, or food scarcity. India moved to ban veterinary use of diclofenac by early 2005, slowed down by pushback from the Ministry of Agriculture for lack of an effective alternative vulture safe drug, which were only really demonstrated in studies in early 2006. Later that year diclofenac was banned.