Reports, Boarding, Total days boarded gives you a list of pets who had board appointments during the date range.  

You can click to print the number of days or the number of visits they had.

You can also choose to print for just a specific family or print for all pets.

Here is an example of the report printed by Days.  The pets will be listed in order of the most number of days on their appointment.

Here is an example if you print the report by Visits.  It will be listed in alphabetical order by the client's last name.