Yes sometimes that helps, it's best if its a new can, just opened get much better results, but of course can't do that all the time unless you go with those darn small cans.
Do you find location makes a difference? Almost need separate feeding rooms.
Rosie - 1999
Callie and Tigger, brother and sister - 2001
Akira - 2010
Peanut - 2010
Spencer - 2013
Trey our 3 legged terror - 2014