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 - 13
Callie and Tigger, brother and sister - 12
Akira - 2.5
Peanut - 2
Nikko and Spencer, brothers - 3 months