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...according to teams working on the project, could be to render animals in a near-undeath state of suspended animation. Though one team at Stanford University has been busy researching how humans could mimic the hibernation of squirrels thanks to a pancreatic enzyme our two species have in common, another group at the Fred Hutchinson Cancer Research Center has been experimenting with a chemical cocktail that uses hydrogen sulfide to block the body's ability to use oxygen, meaning that hearts don't beat and (more importantly) wounds don't bleed.
Team leader Dr. Mark Roth found that the hydrogen sulfide solution was able to keep a rat alive for ten hours after it had lost 60% of its blood - which means the next step is to move on to pigs, which possess a circulatory system more like our own. If the swine can be kept in a state of survival despite heavy blood loss, the next step is federal safety testing, and then - hopefully - real-world application of the zombie juice serum.
http://abcnews.go.com/Technology/AheadoftheCurve/pentagon-zombifies-pigs-save-injured-soldiers/story?id=9294487&page=1
