what is the lung capacity of a racehorse whilst it is running?

Question: what is the lung capacity of a racehorse whilst it is running?
- Keywords:
  horse,
  lung,
  lung capacity,
  racehorse,
  sport
Asked by bensunderland to Charlotte, Jo, Kevin, Louise, Valeria on 19 Jun 2012.
- Joanna Cruden answered on 19 Jun 2012:
  
  I have found an answer for you but it may also depend on the fitness of the racehorse. a racehorse running at top speed breathes about 120 times per minute, moving about 12-15 liters of air per breath or 1,400-1,800 liters per minute through the lungs

Question: what is the lung capacity of a racehorse whilst it is running?