of pennsylvania new bolton center were foals both foals responded to treatment and sought the muzzle mask voluntarily when it was hung on the wall of the stall veterinarians noted unexpectedly rapid recovery by one of the foals the other foal died of septicemia unrelated to its pneumonia however during one day of transpirator u2122 treatment witnessed by several veterinarians the foal sought out the muzzle mask voluntarily placed its muzzle in the mask standing up or lying down and would sleep with its head in the mask without requiring straps to hold the mask on four standardbred and three thoroughbred horses with severe to acute bronchitis and or allergic polyps were given transpirator u2122 conditioning treatments air saturated from 100 u00b0 f to 110 u00b0 f was administered by muzzle mask for about a 2 hour period at 300 to 400 liters per minute this treatment was given once a day for three to five days in conjunction with antibiotic drug therapy before and after bronchoscope examinations revealed visible improvements in three of the horses that may be attributable to the transpirator therapy three of these horses raced after treatment two of them posted significant improvements over their recent racing times exercise induced pulmonary hemorrhage eiph has been the primary focus of transpirator u2122 treatments thus far some 22 horses with documented or suspected eiph have been given daily treatments for up to five days preceding a race each day air saturated from 100 u00b0 to 110 u00b0 f was administered by muzzle mask for about a 2 hour period at.