The animals are drained of some of their blood and returned for the ecosystem, but a lot of die from the bleeding. Its blue blood is harvested for medical researchers and used by drug and medical machine makers to check for harmful impurities in vaccines, prosthetics and intravenous drugs. And https://horseshoecrabbloodnearme31685.theisblog.com/30465635/top-guidelines-of-horseshoe-crab-blood-harvesting