From the Wisconsin State Journal....
They filed a petition Tuesday asking a judge to allow them to prosecute five UW-Madison officials and several researchers.
...In this case, the affidavit states, three sheep out of 303 died during studies in a hyperbaric chamber over the past 10 years and 23 others died within a day of having been removed from the chamber.
It is illegal in Wisconsin to kill an animal by means of decompression. The crime is a forfeiture violation, a maximum fine of $500 per violation, but rises to a misdemeanor if intent or negligence is shown.
Only violations that occurred within the last three years, however, can be prosecuted.
The university stopped conducting the experiments last fall when it learned that it may have been violating state law, said Eric Sandgren, who oversees animal research at UW-Madison. The research is an effort to prevent "the bends," or injuries to divers as they ascend from deep water.