At Long Last, Mice Produce Sperm From Monkeys
Hoon Mihn Fao writes "The BBC Reports: 'Mice have been used to produce viable monkey sperm using tissue transplanted from the testes of macaques.
The U.S. scientists involved say their work might one day help to conserve animals that are facing extinction.'"
goes to this statement;
It might also be possible to grow human sperm in mice, although the team agree this would be a controversial move.
Just because you can, doesn't mean you should.
Take the cheese to sickbay, the doctor should see it as soon as possible - B'Elanna Torres, "Learning Curve"