@mel What is the largest amount of mice that you have made better?

Question: @mel What is the largest amount of mice that you have made better?
- Keywords:
  animal testing,
  research
Asked by hcosby295 to Mel on 17 Mar 2013.
- Melissa Brereton answered on 17 Mar 2013:
  
  hmmmm….. I have probably made 30-40 mice better. But they aren’t particularly sick to start off with- they just pee a lot!

Question: @mel What is the largest amount of mice that you have made better?