Among those expected to testify are government officials, biotechnology executives and even investment bankers.
Scientists and biotechnology executives said the field test marked an important turning point for the commercial development of genetic engineering research.
Many biotechnology executives agree that they are really part of the pharmaceutical industry.
Still, some biotechnology executives said the big drug companies should be more willing to acknowledge the price problem.
ZymoGenetics has some veteran biotechnology executives on its board.
The board that oversees the program is made up largely of university officials, patient advocates and biotechnology executives.
Some biotechnology executives think such animals may be the pharmaceutical factories of the future.
But many scientists and biotechnology executives say they doubt that the drug strategy will work.
And the implications go beyond the interests of professional biologists and biotechnology executives.
Some biotechnology executives think what happens to one company does not affect others, but others think it can.