developing a coronavirus vaccine is a top priority of scientific research to science policy manager judith payne says if nothing changes the whole shoe crab will soon go extinct. krauts are fascinating animal once they originated around 400000000 years they regard it as a living and they are now threats of extinction they are listed as a species now so much nice. to read the news in the bar treats the important but. is actually. do not need to be used in a bar cheese because there are sympathetic alternative methods that can be used instead of using the blood from crowds. who are often referred to as living fossils to to their ancient lineage every year pharmaceutical companies collect half a 1000000 atlantic or shoot crabs to take about one 3rd of the blood at the end of the procedure the crabs are returned to the ocean about 15 percent of them die afterwards unable to cope with that loss blood now this combined with using crabs fishing bait her score so sharp decline in the species over the past few decades though for science blood has showed its effectiveness improving the safety of vaccines