Dogs' digestion

[fredpuli47]

How long does it take a dog to digest a portion of proprietary tinned dogfood , from 'entry to exit', as it were ? And does it digest dog biscuits at the same rate and,if not, what rate ?

[lankeela]

7 - 10 hours - here's a link to an article which explains it:

http://www.cah.com/dr_library/digestdistdogs.h tml