Don't have any research on this, but I have a friend who got a storm CD and played it for a few minutes every day, using treats and toys and immersion to get their pup used to the loud noise and thunder sounds.
I think she ordered the CD from somewhere on the internet.
__________________ .   Cali  , and Cali's keeper and staff, Jay No, not a "mini" Yorkie - She loves to motor in her Mini Cooper car  |